Snouts were fixed to no longer bust through the hat layer a long while ago. We don't even need this any more.

src/main/java/com/minelittlepony/client/GuiPonySettings.java

@@ -90,7 +90,7 @@ public class GuiPonySettings extends GameGui {
             content.addButton(new Label(LEFT, row += 30)).getStyle().setText("minelp.debug.scale");
             content.addButton(new Slider(LEFT, row += 15, 0.1F, 3, config.getGlobalScaleFactor())
                     .onChange(config::setGlobalScaleFactor)
-                    .setFormatter(value -> describeCurrentScale(value)));
+                    .setFormatter(this::describeCurrentScale));
             content.addButton(new Label(LEFT, row += 30)).getStyle().setText("minelp.debug.size");
             content.addButton(new EnumSlider<>(LEFT, row += 15, config.sizeOverride.get())
                     .onChange(config.sizeOverride::set));

src/main/java/com/minelittlepony/client/model/IPonyModel.java

@@ -17,9 +17,4 @@ public interface IPonyModel<T extends LivingEntity> extends PonyModelConstants,
     void copyAttributes(BipedEntityModel<T> other);
 
     void updateLivingState(T entity, IPony pony, EquineRenderManager.Mode mode);
-
-    @Override
-    default boolean hasHeadGear() {
-        return getAttributes().hasHeadGear;
-    }
 }

src/main/java/com/minelittlepony/client/model/PonySkullModel.java

@@ -39,11 +39,6 @@ public class PonySkullModel extends SkullOverlayEntityModel implements MsonModel
         return skull;
     }
 
-    @Override
-    public boolean hasHeadGear() {
-        return false;
-    }
-
     @Override
     public void render(float poweredTicks, float yaw, float pitch) {
         super.render(poweredTicks, yaw, pitch);

src/main/java/com/minelittlepony/client/model/part/PonySnout.java

@@ -5,7 +5,6 @@ import net.minecraft.client.render.VertexConsumer;
 import net.minecraft.client.util.math.MatrixStack;
 
 import com.minelittlepony.client.MineLittlePony;
-import com.minelittlepony.model.ICapitated;
 import com.minelittlepony.model.IPart;
 import com.minelittlepony.mson.api.ModelContext;
 import com.minelittlepony.mson.api.MsonModel;
@@ -22,11 +21,8 @@ public class PonySnout implements IPart, MsonModel {
     private ModelPart mare;
     private ModelPart stallion;
 
-    private ICapitated<ModelPart> head;
-
     @Override
     public void init(ModelContext context) {
-        head = context.getModel();
         mare = context.findByName("mare");
         stallion = context.findByName("stallion");
 
@@ -50,7 +46,7 @@ public class PonySnout implements IPart, MsonModel {
     }
 
     public void setGender(Gender gender) {
-        boolean show = visible && !head.hasHeadGear() && MineLittlePony.getInstance().getConfig().snuzzles.get();
+        boolean show = visible && MineLittlePony.getInstance().getConfig().snuzzles.get();
 
         mare.visible = (show && gender.isMare());
         stallion.visible = (show && gender.isStallion());

src/main/java/com/minelittlepony/client/pony/Pony.java

@@ -14,12 +14,8 @@ import net.minecraft.block.Material;
 import net.minecraft.block.StairsBlock;
 import net.minecraft.client.MinecraftClient;
 import net.minecraft.entity.Entity;
-import net.minecraft.entity.EquipmentSlot;
 import net.minecraft.entity.LivingEntity;
 import net.minecraft.entity.player.PlayerEntity;
-import net.minecraft.item.ArmorItem;
-import net.minecraft.item.Item;
-import net.minecraft.item.ItemStack;
 import net.minecraft.util.Identifier;
 import net.minecraft.util.math.Box;
 import net.minecraft.util.math.BlockPos;
@@ -127,19 +123,6 @@ public class Pony implements IPony {
         return new Vec3d(entity.getX(), entity.getY() + (double) entity.getEyeHeight(entity.getPose()) * size.getScaleFactor(), entity.getZ());
     }
 
-    @Override
-    public boolean isWearingHeadgear(LivingEntity entity) {
-        ItemStack stack = entity.getEquippedStack(EquipmentSlot.HEAD);
-
-        if (stack.isEmpty()) {
-            return false;
-        }
-
-        Item item = stack.getItem();
-
-        return !(item instanceof ArmorItem) || ((ArmorItem) item).getSlotType() != EquipmentSlot.HEAD;
-    }
-
     @Override
     public Race getRace(boolean ignorePony) {
         return metadata.getRace().getEffectiveRace(ignorePony);

src/main/java/com/minelittlepony/model/ICapitated.java

@@ -5,10 +5,4 @@ public interface ICapitated<ModelRenderer> {
      * Gets the head of this capitated object.
      */
     ModelRenderer getHead();
-
-    /**
-     * Returns true if we're wearing any unconventional headgear (ie. a Pumpkin)
-     */
-    boolean hasHeadGear();
-
 }

src/main/java/com/minelittlepony/model/ModelAttributes.java

@@ -57,10 +57,6 @@ public class ModelAttributes<T extends LivingEntity> {
      * Flag indicating that this model is performing a rainboom (flight).
      */
     public boolean isGoingFast;
-    /**
-     * True if the model is wearing any unconventional headgear (ie. a Pumpkin)
-     */
-    public boolean hasHeadGear;
 
     /**
      * Vertical pitch whilst flying.
@@ -105,7 +101,6 @@ public class ModelAttributes<T extends LivingEntity> {
         isSwimming = mode == Mode.THIRD_PERSON && pony.isSwimming(entity);
         isSwimmingRotated = mode == Mode.THIRD_PERSON && isSwimming && (entity instanceof PlayerEntity || entity instanceof IRotatedSwimmer);
         isRidingInteractive = pony.isRidingInteractive(entity);
-        hasHeadGear = pony.isWearingHeadgear(entity);
         interpolatorId = entity.getUuid();
         isLeftHanded = entity.getMainArm() == Arm.LEFT;
     }

src/main/java/com/minelittlepony/pony/IPony.java

@@ -70,14 +70,6 @@ public interface IPony {
      */
     boolean isPartiallySubmerged(LivingEntity entity);
 
-    /**
-     * Returns true if an entity is wearing any headgear. This is used to hide things like the snout when wearing items
-     * such as the pumpkin, a player's head, or any other types of blocks.
-     *
-     * In this case the helmet does <i>not</i> count as headgear because those generally don't interfere with snuzzle rendering.
-     */
-    boolean isWearingHeadgear(LivingEntity entity);
-
     /**
      * Gets the race associated with this pony.
      *