Catapult-Detachable Slingshot Brass Knuckle Duster Combat

Name：Catapult
Material: zinc alloy
Please note: no marbles
Product size: size see picture

Function: martial arts equipment is self-defense and life-saving, outdoor self-defense and standby defense. It can be mastered almost without special practice. It is a very practical product.

Four-finger fist buckle slingshot, made of zinc alloy, good workmanship, smooth surface plating, can be disassembled, with a wrench, you can install the two cards of the card ball leather band, finger tiger slingshot 2 in 1