Make modifiers only applicable to their valid types. Fix some inconsistencies with that. Might possibly contain bugs still.

src/main/java/tconstruct/modifiers/accessory/GloveSpeed.java

@@ -2,9 +2,12 @@ package tconstruct.modifiers.accessory;
 
 import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.NBTTagCompound;
+import tconstruct.library.accessory.AccessoryCore;
 import tconstruct.library.modifier.IModifyable;
 import tconstruct.modifiers.tools.ItemModTypeFilter;
 
+import java.util.Arrays;
+
 public class GloveSpeed extends ItemModTypeFilter
 {
     String tooltipName;
@@ -19,9 +22,12 @@ public class GloveSpeed extends ItemModTypeFilter
     @Override
     protected boolean canModify (ItemStack input, ItemStack[] modifiers)
     {
-        IModifyable imod = (IModifyable) input.getItem();
-        if (imod.getModifyType().equals("Accessory"))
+        if (input.getItem() instanceof AccessoryCore)
         {
+            // is glove?
+            if(!Arrays.asList(((AccessoryCore) input.getItem()).getTraits()).contains("glove"))
+                return false;
+
             NBTTagCompound tags = getModifierTag(input);
             if (!tags.hasKey(key))
                 return tags.getInteger("Modifiers") > 0 && matchingAmount(modifiers) <= max;//This line fails?
@@ -91,4 +97,10 @@ public class GloveSpeed extends ItemModTypeFilter
         String modName = "\u00a74Redstone (" + keys[0] + "/" + keys[1] + ")";
         tags.setString(tip, modName);
     }
+
+    @Override
+    public boolean validType (IModifyable type)
+    {
+        return type.getModifyType().equals("Accessory");
+    }
 }

src/main/java/tconstruct/modifiers/tools/ModRedstone.java

@@ -3,6 +3,7 @@ package tconstruct.modifiers.tools;
 import java.util.*;
 import net.minecraft.item.*;
 import net.minecraft.nbt.NBTTagCompound;
+import tconstruct.library.modifier.IModifyable;
 import tconstruct.library.tools.ToolCore;
 
 public class ModRedstone extends ItemModTypeFilter
@@ -127,6 +128,11 @@ public class ModRedstone extends ItemModTypeFilter
         tags.setString(tip, modName);
     }
 
+    public boolean validType (IModifyable input)
+    {
+        return input.getModifyType().equals("Tool");
+    }
+
     public boolean validType (ToolCore tool)
     {
         List list = Arrays.asList(tool.getTraits());

src/main/java/tconstruct/modifiers/tools/ModToolRepair.java

@@ -3,6 +3,7 @@ package tconstruct.modifiers.tools;
 import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.NBTTagCompound;
 import tconstruct.library.crafting.PatternBuilder;
+import tconstruct.library.modifier.IModifyable;
 import tconstruct.library.modifier.ItemModifier;
 import tconstruct.library.tools.*;
 
@@ -130,4 +131,9 @@ public class ModToolRepair extends ItemModifier
     public void addMatchingEffect (ItemStack tool)
     {
     }
+
+    public boolean validType (IModifyable input)
+    {
+        return input.getModifyType().equals("Tool") || input.getModifyType().equals("Armor");
+    }
 }