diff --git a/common/src/main/java/dev/architectury/transfer/ResourceView.java b/common/src/main/java/dev/architectury/transfer/ResourceView.java
index 02beb890..ae2396cc 100644
--- a/common/src/main/java/dev/architectury/transfer/ResourceView.java
+++ b/common/src/main/java/dev/architectury/transfer/ResourceView.java
@@ -19,6 +19,9 @@
 
 package dev.architectury.transfer;
 
+import com.google.common.base.Predicates;
+import dev.architectury.transfer.wrapper.filtering.FilteringResourceView;
+
 import java.io.Closeable;
 import java.util.function.Predicate;
 
@@ -59,4 +62,12 @@ public interface ResourceView<T> extends TransferView<T>, Closeable {
     
     @Override
     void close();
+    
+    default ResourceView<T> unmodifiable() {
+        return filter(Predicates.alwaysFalse());
+    }
+    
+    default ResourceView<T> filter(Predicate<T> filter) {
+        return FilteringResourceView.of(this, filter);
+    }
 }
diff --git a/common/src/main/java/dev/architectury/transfer/TransferHandler.java b/common/src/main/java/dev/architectury/transfer/TransferHandler.java
index 1b0749b6..c20c1d5f 100644
--- a/common/src/main/java/dev/architectury/transfer/TransferHandler.java
+++ b/common/src/main/java/dev/architectury/transfer/TransferHandler.java
@@ -19,11 +19,14 @@
 
 package dev.architectury.transfer;
 
+import com.google.common.base.Predicates;
 import dev.architectury.fluid.FluidStack;
+import dev.architectury.transfer.wrapper.filtering.FilteringTransferHandler;
 import net.minecraft.world.item.ItemStack;
 import org.jetbrains.annotations.ApiStatus;
 
 import java.util.function.Consumer;
+import java.util.function.Predicate;
 import java.util.stream.Stream;
 
 /**
@@ -97,6 +100,12 @@ public interface TransferHandler<T> extends TransferView<T> {
     @Deprecated
     ResourceView<T> getContent(int index);
     
+    default void withContent(int index, Consumer<ResourceView<T>> consumer) {
+        try (ResourceView<T> resource = getContent(index)) {
+            consumer.accept(resource);
+        }
+    }
+    
     /**
      * Inserts the given resource into the handler, returning the amount that was inserted.
      *
@@ -105,4 +114,67 @@ public interface TransferHandler<T> extends TransferView<T> {
      * @return the amount that was inserted
      */
     long insert(T toInsert, TransferAction action);
+    
+    /**
+     * Extracts the given resource from a given resource index, returning the stack that was extracted.
+     *
+     * @param index     the index of the resource
+     * @param toExtract the resource to extract
+     * @param action    whether to simulate or actually extract the resource
+     * @return the stack that was extracted
+     */
+    default T extract(int index, T toExtract, TransferAction action) {
+        try (ResourceView<T> resource = getContent(index)) {
+            return resource.extract(toExtract, action);
+        }
+    }
+    
+    /**
+     * Extracts the given resource from a given resource index, returning the stack that was extracted.
+     *
+     * @param index     the index of the resource
+     * @param toExtract the predicates to use to filter the resources to extract
+     * @param maxAmount the maximum amount of resources to extract
+     * @param action    whether to simulate or actually extract the resource
+     * @return the stack that was extracted
+     */
+    default T extract(int index, Predicate<T> toExtract, long maxAmount, TransferAction action) {
+        try (ResourceView<T> resource = getContent(index)) {
+            return resource.extract(toExtract, maxAmount, action);
+        }
+    }
+    
+    /**
+     * Extracts the any resource from a given resource index, returning the stack that was extracted.
+     *
+     * @param index     the index of the resource
+     * @param maxAmount the maximum amount of resources to extract
+     * @param action    whether to simulate or actually extract the resource
+     * @return the stack that was extracted
+     */
+    default T extract(int index, long maxAmount, TransferAction action) {
+        try (ResourceView<T> resource = getContent(index)) {
+            return resource.extract(maxAmount, action);
+        }
+    }
+    
+    default TransferHandler<T> unmodifiable() {
+        return filter(Predicates.alwaysFalse());
+    }
+    
+    default TransferHandler<T> onlyInsert() {
+        return filter(Predicates.alwaysTrue(), Predicates.alwaysFalse());
+    }
+    
+    default TransferHandler<T> onlyExtract() {
+        return filter(Predicates.alwaysFalse(), Predicates.alwaysTrue());
+    }
+    
+    default TransferHandler<T> filter(Predicate<T> filter) {
+        return filter(filter, filter);
+    }
+    
+    default TransferHandler<T> filter(Predicate<T> insert, Predicate<T> extract) {
+        return FilteringTransferHandler.of(this, insert, extract);
+    }
 }
diff --git a/common/src/main/java/dev/architectury/transfer/fluid/wrapper/CombinedFluidTransferHandler.java b/common/src/main/java/dev/architectury/transfer/fluid/wrapper/CombinedFluidTransferHandler.java
index e1cc8e12..695aded8 100644
--- a/common/src/main/java/dev/architectury/transfer/fluid/wrapper/CombinedFluidTransferHandler.java
+++ b/common/src/main/java/dev/architectury/transfer/fluid/wrapper/CombinedFluidTransferHandler.java
@@ -22,7 +22,7 @@ package dev.architectury.transfer.fluid.wrapper;
 import dev.architectury.fluid.FluidStack;
 import dev.architectury.transfer.TransferHandler;
 import dev.architectury.transfer.fluid.FluidTransferHandler;
-import dev.architectury.transfer.wrapper.CombinedTransferHandler;
+import dev.architectury.transfer.wrapper.combined.CombinedTransferHandler;
 
 /**
  * A {@link TransferHandler} that combines multiple {@link TransferHandler}s.<br>
diff --git a/common/src/main/java/dev/architectury/transfer/item/wrapper/CombinedItemTransferHandler.java b/common/src/main/java/dev/architectury/transfer/item/wrapper/CombinedItemTransferHandler.java
index e5112038..fae6eb77 100644
--- a/common/src/main/java/dev/architectury/transfer/item/wrapper/CombinedItemTransferHandler.java
+++ b/common/src/main/java/dev/architectury/transfer/item/wrapper/CombinedItemTransferHandler.java
@@ -21,7 +21,7 @@ package dev.architectury.transfer.item.wrapper;
 
 import dev.architectury.transfer.TransferHandler;
 import dev.architectury.transfer.item.ItemTransferHandler;
-import dev.architectury.transfer.wrapper.CombinedTransferHandler;
+import dev.architectury.transfer.wrapper.combined.CombinedTransferHandler;
 import net.minecraft.world.item.ItemStack;
 
 /**
diff --git a/common/src/main/java/dev/architectury/transfer/item/wrapper/ContainerTransferHandler.java b/common/src/main/java/dev/architectury/transfer/item/wrapper/ContainerTransferHandler.java
index 42944670..f4200246 100644
--- a/common/src/main/java/dev/architectury/transfer/item/wrapper/ContainerTransferHandler.java
+++ b/common/src/main/java/dev/architectury/transfer/item/wrapper/ContainerTransferHandler.java
@@ -20,7 +20,7 @@
 package dev.architectury.transfer.item.wrapper;
 
 import dev.architectury.transfer.item.ItemTransferHandler;
-import dev.architectury.transfer.wrapper.CombinedSingleTransferHandler;
+import dev.architectury.transfer.wrapper.combined.CombinedSingleTransferHandler;
 import dev.architectury.transfer.wrapper.single.BaseSingleTransferHandler;
 import dev.architectury.transfer.wrapper.single.SingleTransferHandler;
 import net.minecraft.world.Container;
diff --git a/common/src/main/java/dev/architectury/transfer/item/wrapper/WorldlyContainerTransferHandler.java b/common/src/main/java/dev/architectury/transfer/item/wrapper/WorldlyContainerTransferHandler.java
index e18590ec..9f6dabe9 100644
--- a/common/src/main/java/dev/architectury/transfer/item/wrapper/WorldlyContainerTransferHandler.java
+++ b/common/src/main/java/dev/architectury/transfer/item/wrapper/WorldlyContainerTransferHandler.java
@@ -19,7 +19,7 @@
 
 package dev.architectury.transfer.item.wrapper;
 
-import dev.architectury.transfer.wrapper.single.FilteringSingleTransferHandler;
+import dev.architectury.transfer.wrapper.filtering.FilteringSingleTransferHandler;
 import dev.architectury.transfer.wrapper.single.SingleTransferHandler;
 import net.minecraft.core.Direction;
 import net.minecraft.world.WorldlyContainer;
diff --git a/common/src/main/java/dev/architectury/transfer/wrapper/CombinedSingleTransferHandler.java b/common/src/main/java/dev/architectury/transfer/wrapper/combined/CombinedSingleTransferHandler.java
similarity index 96%
rename from common/src/main/java/dev/architectury/transfer/wrapper/CombinedSingleTransferHandler.java
rename to common/src/main/java/dev/architectury/transfer/wrapper/combined/CombinedSingleTransferHandler.java
index 95dc8dec..615ae31d 100644
--- a/common/src/main/java/dev/architectury/transfer/wrapper/CombinedSingleTransferHandler.java
+++ b/common/src/main/java/dev/architectury/transfer/wrapper/combined/CombinedSingleTransferHandler.java
@@ -17,7 +17,7 @@
  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
 
-package dev.architectury.transfer.wrapper;
+package dev.architectury.transfer.wrapper.combined;
 
 import dev.architectury.transfer.ResourceView;
 import dev.architectury.transfer.TransferHandler;
@@ -53,13 +53,11 @@ public interface CombinedSingleTransferHandler<T> extends CombinedTransferHandle
     }
     
     @Override
-    @Deprecated
     default int getContentsSize() {
         return getParts().size();
     }
     
     @Override
-    @Deprecated
     default SingleTransferHandler<T> getContent(int index) {
         return getParts().get(index);
     }
diff --git a/common/src/main/java/dev/architectury/transfer/wrapper/CombinedTransferHandler.java b/common/src/main/java/dev/architectury/transfer/wrapper/combined/CombinedTransferHandler.java
similarity index 95%
rename from common/src/main/java/dev/architectury/transfer/wrapper/CombinedTransferHandler.java
rename to common/src/main/java/dev/architectury/transfer/wrapper/combined/CombinedTransferHandler.java
index 239e9adf..45798a56 100644
--- a/common/src/main/java/dev/architectury/transfer/wrapper/CombinedTransferHandler.java
+++ b/common/src/main/java/dev/architectury/transfer/wrapper/combined/CombinedTransferHandler.java
@@ -17,7 +17,7 @@
  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
 
-package dev.architectury.transfer.wrapper;
+package dev.architectury.transfer.wrapper.combined;
 
 import com.google.common.collect.Streams;
 import dev.architectury.transfer.ResourceView;
@@ -58,12 +58,13 @@ public interface CombinedTransferHandler<T> extends TransferHandler<T>, VariantV
         if (index < 0) {
             throw new IllegalArgumentException("Index must be non-negative");
         }
-        int i = 0;
+        int i = index;
         for (TransferHandler<T> handler : getHandlers()) {
-            if (i == index) {
-                return handler.getContent(0);
+            int contentsSize = handler.getContentsSize();
+            if (i < contentsSize) {
+                return handler.getContent(i);
             }
-            i += handler.getContentsSize();
+            i -= contentsSize;
         }
         throw new IndexOutOfBoundsException("Index " + index + " is out of bounds");
     }
diff --git a/common/src/main/java/dev/architectury/transfer/wrapper/FilteringResourceView.java b/common/src/main/java/dev/architectury/transfer/wrapper/filtering/FilteringResourceView.java
similarity index 88%
rename from common/src/main/java/dev/architectury/transfer/wrapper/FilteringResourceView.java
rename to common/src/main/java/dev/architectury/transfer/wrapper/filtering/FilteringResourceView.java
index fe7413a4..cf10fc81 100644
--- a/common/src/main/java/dev/architectury/transfer/wrapper/FilteringResourceView.java
+++ b/common/src/main/java/dev/architectury/transfer/wrapper/filtering/FilteringResourceView.java
@@ -17,20 +17,16 @@
  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
 
-package dev.architectury.transfer.wrapper;
+package dev.architectury.transfer.wrapper.filtering;
 
-import com.google.common.base.Predicates;
 import dev.architectury.transfer.ResourceView;
 import dev.architectury.transfer.TransferAction;
 import dev.architectury.transfer.view.ExtractableView;
+import dev.architectury.transfer.wrapper.forwarding.ForwardingResourceView;
 
 import java.util.function.Predicate;
 
 public interface FilteringResourceView<T> extends ForwardingResourceView<T>, ExtractableView<T> {
-    static <T> FilteringResourceView<T> unmodifiable(ResourceView<T> delegate) {
-        return FilteringResourceView.of(delegate, Predicates.alwaysFalse());
-    }
-    
     static <T> FilteringResourceView<T> of(ResourceView<T> delegate, Predicate<T> canExtract) {
         return new FilteringResourceView<T>() {
             @Override
diff --git a/common/src/main/java/dev/architectury/transfer/wrapper/single/FilteringSingleTransferHandler.java b/common/src/main/java/dev/architectury/transfer/wrapper/filtering/FilteringSingleTransferHandler.java
similarity index 64%
rename from common/src/main/java/dev/architectury/transfer/wrapper/single/FilteringSingleTransferHandler.java
rename to common/src/main/java/dev/architectury/transfer/wrapper/filtering/FilteringSingleTransferHandler.java
index 4fbe4523..871d1207 100644
--- a/common/src/main/java/dev/architectury/transfer/wrapper/single/FilteringSingleTransferHandler.java
+++ b/common/src/main/java/dev/architectury/transfer/wrapper/filtering/FilteringSingleTransferHandler.java
@@ -17,31 +17,15 @@
  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
 
-package dev.architectury.transfer.wrapper.single;
+package dev.architectury.transfer.wrapper.filtering;
 
-import com.google.common.base.Predicates;
 import dev.architectury.transfer.TransferAction;
-import dev.architectury.transfer.wrapper.FilteringTransferHandler;
+import dev.architectury.transfer.wrapper.forwarding.ForwardingSingleTransferHandler;
+import dev.architectury.transfer.wrapper.single.SingleTransferHandler;
 
 import java.util.function.Predicate;
 
 public interface FilteringSingleTransferHandler<T> extends FilteringTransferHandler<T>, ForwardingSingleTransferHandler<T> {
-    static <T> FilteringSingleTransferHandler<T> unmodifiable(SingleTransferHandler<T> delegate) {
-        return FilteringSingleTransferHandler.of(delegate, Predicates.alwaysFalse(), Predicates.alwaysFalse());
-    }
-    
-    static <T> FilteringSingleTransferHandler<T> onlyInsert(SingleTransferHandler<T> delegate) {
-        return FilteringSingleTransferHandler.of(delegate, Predicates.alwaysTrue(), Predicates.alwaysFalse());
-    }
-    
-    static <T> FilteringSingleTransferHandler<T> onlyExtract(SingleTransferHandler<T> delegate) {
-        return FilteringSingleTransferHandler.of(delegate, Predicates.alwaysFalse(), Predicates.alwaysTrue());
-    }
-    
-    static <T> FilteringSingleTransferHandler<T> predicate(SingleTransferHandler<T> delegate, Predicate<T> predicate) {
-        return FilteringSingleTransferHandler.of(delegate, predicate, predicate);
-    }
-    
     static <T> FilteringSingleTransferHandler<T> of(SingleTransferHandler<T> delegate, Predicate<T> canInsert, Predicate<T> canExtract) {
         return new FilteringSingleTransferHandler<T>() {
             @Override
diff --git a/common/src/main/java/dev/architectury/transfer/wrapper/FilteringTransferHandler.java b/common/src/main/java/dev/architectury/transfer/wrapper/filtering/FilteringTransferHandler.java
similarity index 75%
rename from common/src/main/java/dev/architectury/transfer/wrapper/FilteringTransferHandler.java
rename to common/src/main/java/dev/architectury/transfer/wrapper/filtering/FilteringTransferHandler.java
index 55e0a454..bf400a01 100644
--- a/common/src/main/java/dev/architectury/transfer/wrapper/FilteringTransferHandler.java
+++ b/common/src/main/java/dev/architectury/transfer/wrapper/filtering/FilteringTransferHandler.java
@@ -17,33 +17,17 @@
  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
 
-package dev.architectury.transfer.wrapper;
+package dev.architectury.transfer.wrapper.filtering;
 
-import com.google.common.base.Predicates;
 import dev.architectury.transfer.ResourceView;
 import dev.architectury.transfer.TransferAction;
 import dev.architectury.transfer.TransferHandler;
 import dev.architectury.transfer.view.ModifiableView;
+import dev.architectury.transfer.wrapper.forwarding.ForwardingTransferHandler;
 
 import java.util.function.Predicate;
 
 public interface FilteringTransferHandler<T> extends ForwardingTransferHandler<T>, ModifiableView<T> {
-    static <T> FilteringTransferHandler<T> unmodifiable(TransferHandler<T> delegate) {
-        return FilteringTransferHandler.of(delegate, Predicates.alwaysFalse(), Predicates.alwaysFalse());
-    }
-    
-    static <T> FilteringTransferHandler<T> onlyInsert(TransferHandler<T> delegate) {
-        return FilteringTransferHandler.of(delegate, Predicates.alwaysTrue(), Predicates.alwaysFalse());
-    }
-    
-    static <T> FilteringTransferHandler<T> onlyExtract(TransferHandler<T> delegate) {
-        return FilteringTransferHandler.of(delegate, Predicates.alwaysFalse(), Predicates.alwaysTrue());
-    }
-    
-    static <T> FilteringTransferHandler<T> predicate(TransferHandler<T> delegate, Predicate<T> predicate) {
-        return FilteringTransferHandler.of(delegate, predicate, predicate);
-    }
-    
     static <T> FilteringTransferHandler<T> of(TransferHandler<T> delegate, Predicate<T> canInsert, Predicate<T> canExtract) {
         return new FilteringTransferHandler<T>() {
             @Override
diff --git a/common/src/main/java/dev/architectury/transfer/wrapper/ForwardingResourceView.java b/common/src/main/java/dev/architectury/transfer/wrapper/forwarding/ForwardingResourceView.java
similarity index 97%
rename from common/src/main/java/dev/architectury/transfer/wrapper/ForwardingResourceView.java
rename to common/src/main/java/dev/architectury/transfer/wrapper/forwarding/ForwardingResourceView.java
index b4b95dde..49aa5036 100644
--- a/common/src/main/java/dev/architectury/transfer/wrapper/ForwardingResourceView.java
+++ b/common/src/main/java/dev/architectury/transfer/wrapper/forwarding/ForwardingResourceView.java
@@ -17,7 +17,7 @@
  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
 
-package dev.architectury.transfer.wrapper;
+package dev.architectury.transfer.wrapper.forwarding;
 
 import dev.architectury.transfer.ResourceView;
 import dev.architectury.transfer.TransferAction;
diff --git a/common/src/main/java/dev/architectury/transfer/wrapper/single/ForwardingSingleTransferHandler.java b/common/src/main/java/dev/architectury/transfer/wrapper/forwarding/ForwardingSingleTransferHandler.java
similarity index 94%
rename from common/src/main/java/dev/architectury/transfer/wrapper/single/ForwardingSingleTransferHandler.java
rename to common/src/main/java/dev/architectury/transfer/wrapper/forwarding/ForwardingSingleTransferHandler.java
index eef7c94c..93ac7fbf 100644
--- a/common/src/main/java/dev/architectury/transfer/wrapper/single/ForwardingSingleTransferHandler.java
+++ b/common/src/main/java/dev/architectury/transfer/wrapper/forwarding/ForwardingSingleTransferHandler.java
@@ -17,11 +17,11 @@
  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
 
-package dev.architectury.transfer.wrapper.single;
+package dev.architectury.transfer.wrapper.forwarding;
 
 import dev.architectury.transfer.ResourceView;
 import dev.architectury.transfer.TransferAction;
-import dev.architectury.transfer.wrapper.ForwardingTransferHandler;
+import dev.architectury.transfer.wrapper.single.SingleTransferHandler;
 
 import java.util.function.Predicate;
 import java.util.stream.Stream;
diff --git a/common/src/main/java/dev/architectury/transfer/wrapper/ForwardingTransferHandler.java b/common/src/main/java/dev/architectury/transfer/wrapper/forwarding/ForwardingTransferHandler.java
similarity index 97%
rename from common/src/main/java/dev/architectury/transfer/wrapper/ForwardingTransferHandler.java
rename to common/src/main/java/dev/architectury/transfer/wrapper/forwarding/ForwardingTransferHandler.java
index 54cd2590..ce882ac1 100644
--- a/common/src/main/java/dev/architectury/transfer/wrapper/ForwardingTransferHandler.java
+++ b/common/src/main/java/dev/architectury/transfer/wrapper/forwarding/ForwardingTransferHandler.java
@@ -17,7 +17,7 @@
  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
 
-package dev.architectury.transfer.wrapper;
+package dev.architectury.transfer.wrapper.forwarding;
 
 import dev.architectury.transfer.ResourceView;
 import dev.architectury.transfer.TransferAction;
diff --git a/common/src/main/java/dev/architectury/transfer/wrapper/single/SingleTransferHandler.java b/common/src/main/java/dev/architectury/transfer/wrapper/single/SingleTransferHandler.java
index 1bd939db..f6ded707 100644
--- a/common/src/main/java/dev/architectury/transfer/wrapper/single/SingleTransferHandler.java
+++ b/common/src/main/java/dev/architectury/transfer/wrapper/single/SingleTransferHandler.java
@@ -19,11 +19,14 @@
 
 package dev.architectury.transfer.wrapper.single;
 
+import com.google.common.base.Predicates;
 import dev.architectury.transfer.ResourceView;
 import dev.architectury.transfer.TransferHandler;
 import dev.architectury.transfer.view.ModifiableView;
 import dev.architectury.transfer.view.VariantView;
+import dev.architectury.transfer.wrapper.filtering.FilteringSingleTransferHandler;
 
+import java.util.function.Predicate;
 import java.util.stream.Stream;
 
 /**
@@ -53,4 +56,29 @@ public interface SingleTransferHandler<T> extends TransferHandler<T>, ResourceVi
     default long getAmount() {
         return getAmount(getResource());
     }
+    
+    @Override
+    default SingleTransferHandler<T> unmodifiable() {
+        return filter(Predicates.alwaysFalse());
+    }
+    
+    @Override
+    default SingleTransferHandler<T> onlyInsert() {
+        return filter(Predicates.alwaysTrue(), Predicates.alwaysFalse());
+    }
+    
+    @Override
+    default SingleTransferHandler<T> onlyExtract() {
+        return filter(Predicates.alwaysFalse(), Predicates.alwaysTrue());
+    }
+    
+    @Override
+    default SingleTransferHandler<T> filter(Predicate<T> filter) {
+        return filter(filter, filter);
+    }
+    
+    @Override
+    default SingleTransferHandler<T> filter(Predicate<T> insert, Predicate<T> extract) {
+        return FilteringSingleTransferHandler.of(this, insert, extract);
+    }
 }