diff --git a/src/main/java/jackyy/exchangers/handler/ExchangerHandler.java b/src/main/java/jackyy/exchangers/handler/ExchangerHandler.java
index a3be703..d57e94a 100644
--- a/src/main/java/jackyy/exchangers/handler/ExchangerHandler.java
+++ b/src/main/java/jackyy/exchangers/handler/ExchangerHandler.java
@@ -89,6 +89,7 @@ public void addInformation(ItemStack stack, EntityPlayer player, List<String> to
                 Block block = Block.getBlockFromName(id);
                 int meta = compound.getInteger("meta");
                 tooltip.add(StringHelper.localize("tooltip.selected_block") + " " + getBlockName(block, meta));
+                /* DEBUG */ tooltip.add("Metadata: " + meta);
                 tooltip.add(StringHelper.localize("tooltip.current_range") + " " + modeSwitchList[compound.getInteger("mode")]);
                 tooltip.add(StringHelper.localize("tooltip.max_range") + " " + modeSwitchList[getMaxRange()]);
             }
@@ -118,13 +119,21 @@ public void switchMode(EntityPlayer player, ItemStack stack) {
         setDefaultTagCompound(stack);
 
         int modeSwitch = stack.getTagCompound().getInteger("mode");
-        modeSwitch++;
+
+        if (player.isSneaking()) {
+            modeSwitch--;
+        } else {
+            modeSwitch++;
+        }
 
         ItemStack heldItem = player.getHeldItemMainhand();
 
         if (heldItem != null) {
-            if (modeSwitch > getMaxRange())
+            if (modeSwitch > getMaxRange()) {
                 modeSwitch = MODE_1X1;
+            } else if (modeSwitch < MODE_1X1) {
+                modeSwitch = getMaxRange();
+            }
         }
 
         stack.getTagCompound().setInteger("mode", modeSwitch);
@@ -153,7 +162,6 @@ private boolean isWhitelisted(World world, BlockPos pos) {
 
     private boolean isSpecial(Block block) {
         return block instanceof BlockLog
-                || block instanceof BlockLeaves
                 || block instanceof BlockRedstoneOre
                 || block instanceof BlockTrapDoor
                 || block instanceof BlockDoor
@@ -218,6 +226,9 @@ private void placeBlock(ItemStack stack, EntityPlayer player, World world, Block
                     world.playSound(null, coordinate.getX(), coordinate.getY(), coordinate.getZ(),
                             SoundEvents.ENTITY_ENDERMEN_TELEPORT, SoundCategory.BLOCKS, 0.1F, 1F);
                 } else {
+                    world.restoringBlockSnapshots = true;
+                    event.getBlockSnapshot().restore(true);
+                    world.restoringBlockSnapshots = false;
                     notEnough = true;
                 }
             } else {
@@ -227,10 +238,10 @@ private void placeBlock(ItemStack stack, EntityPlayer player, World world, Block
                 ChatHelper.msgPlayer(player, "error.event_cancelled");
             }
         }
-        world.captureBlockSnapshots = true;
         if (notEnough) {
             ChatHelper.msgPlayer(player, "error.out_of_block");
         }
+        world.captureBlockSnapshots = true;
     }
 
     @SuppressWarnings("deprecation")