Occasionally (albeit incorrectly) thought to be the weapon used by Cain to slay his brother Abel. A quick look at Genesis 4 specifies no murder weapon, merely that Cain
rose up against Abel his brother, and slew him.
The jawbone of an ass
does actually show up as a weapon
in Judges 15
, employed by Samson
to slay a thousand men of unspecified nationality, presumably Philistine
s from the passages before.