barbs

/bɑːb/

noun

A sharp projection near the end of an arrow, fish hook, or similar object, which is angled away from the main point so as to make extraction difficult.

It was a simple hunting arrow, without a particularly sharp edge or barbs that would make it harder to remove.

spike,prong,point,projection,spur,thorn,needle,prickle,spine,quill,bristle,tine