To make knuckles stack-able, the baseitem 2da file would have to be edited, in the tophak, and everyone would have to DL it. Sounds easy enough right, it's just one entry for the Misc. Small model.. the trouble is, if you make it stackable, then every other thing that uses that model is also stack-able.. off hand, that is several herbs, and many other one square sized things. some of those things might even have powers, the acorn of visions for example. Now you run into scripting problems. NWN does not handle stacks well- that is why the default stack sizes are 10. In the case of knuckles, and even herbs- the base scripting would have to be changed to 1 recognize a stack item, 2 take the appropriate amount, 3 adjust the stack size. The current herbalism craft script, doesn't have stacks in it's scripting, that' s why some potions do not stack in the cauldron when you make them. (See invis, bloodfrenzy.) It's a nightmare for the developers if they had to go through and adjust everything to add stacks.