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From Pathfinder Howl of the Wild, which isn't enabled.

Deadly Slashing Claws

ITEM 7
Price 320 gp
Usage implanted
Bulk —

Sharp claws have been grafted to your hands or feet, perhaps extending from your knuckles or the tips of your toes. You gain a claw unarmed attack that deals 1d6 slashing damage. These claws are in the brawling group and have the agile, deadly d8, and finesse traits.

Pathfinder Howl of the WildORC