thank so much! i'm glad you got something out of it. to clarify the digging behavior: you could think of it as having a pocket which stores exactly 1 stone. (the little circular indicator shows if your "pocket" is full.)
Ah, OK.I don't know that "dig" is a very accurate description for that metaphor! :D
I wonder if the character could be shown holding something when their hands are full? Or, sort of on their back or something? Random ideas.