In my case, it's something to play with. I need to fiddle with things. If my hand isn't on my mouse, I'm playing with my mouse wrist rest (basically a bean bag)

In my case, it's something to play with. I need to fiddle with things. If my hand isn't on my mouse, I'm playing with my mouse wrist rest (basically a bean bag). If it is on my mouse, I'm clicking around randomly.