Rough palms are also considered to be a sign. Having a left thumbnail that is left uncut as to resemble a claw. Tattoos , particularly that of a crescent moon. In human form, a werewolf usually has slanted eyebrows that meet at the bridge of the nose. A werewolf has an unusually long third finger on each hand.
Werewolves always have to sleep with their jaws open .
Once their jaws are closed, it difficult to unclench them. The werewolf might have a human face and a wolf's body or vice-versa.