"The hard-shelled claw of a vicious Crabby."
The Crabby Claw is an item that can be obtain from Crabby.
These claws can be traded to Fisherman Gary after completing the No More Crabbies! quest. The rate is 10 Crabby Claws for 5 Fresh Fish. This conversion technically makes Crabby Claws worth 40 Copper Coins.