Ocean Hunter Knife Arm StrapThe Ocean Hunter Arm strap is an elasticised band the holds your knife securely to your arm. This is a really popular place to mount your knife and many believe the safest and easiest position to have a knife when spearfishing. Unique arm strap allows mounting of Assassin and other knife models onto your arm. Elasticised so that the knife remains firmly in place even at depth with wetsuit compression.