United Cutlery UC3113 Honshu Rainbow Tini Karambit & Shoulder Harness The rock-solid 4" 7Cr13 stainless steel construction provides you with a sturdy self-defense accessory that is also stylish and affordable The rubberized handle is contoured with three comfortable finger notches for a superb grip The oversized thumb hole allows you to wield the Honshu karambit in true ninja fashion! It includes an easily concealed shoulder harness sheath