Gloves of the Bounty Hunter
These hide garments are weighted along the knuckles.
Hands Slot 3,400 gp
When your attack causes a target to be reduced to 0 hit points or below, and you choose to knock out rather than kill it, the target is restored to 1 hit point after an extended rest (normally this occurs after a short rest).
Published in Adventurer's Vault, page(s) 134.