Hand of Glory
From Super-wiki
The Hand of Glory is hand of a murderer, removed while he is on the gallows and then pickled and dried. When used with candles made from the fat of a murder, it was said to render people unable to move. It was also said to able to unlock any door, thus making it useful for thieves.
Episodes
3.06 Red Sky at Morning
Bela steals the Hand of Glory from the Sea Pines Maritime Museum. It is haunted by a vengeful spirit whose hand it belonged to in life. The spirit was hanged for treason on a ship captained by his brother; thus he takes vengeance on people responsible for the death of family members.