to fasten / to button / button / buckle / knot / to arrest / to confiscate / to deduct (money) / discount / to knock / to smash, spike or dunk (a ball) / to cover (with a bowl etc) / (fig.) to tag a label on sb / (Tw) (loanword) code
扣
=
口
+
扌
:
Karl Marx (k) manufactures a new button (扣) out of a mandarin (口) in the outhouse's bathroom (ou4). He does so by grapping the mandarin tightly in one hand, and carving out the button out of the peel by rotating a toy claw (扌) around the mandarin with his other hand.