metal finger holder alloy four-finger iron fist martial arts fighting self-defense fighting hand buckle boxing ring

Handcuff outdoor products are very beautiful.
Name: Hand Buckle
Material: Zinc Alloy
Weight: About 127 grams
Specifications: Height (from the arc of the fist to the base of the palm): 74mm Width (of the fist): 123mm Thickness (of the fist): About 4.5mm Thickness of the rope wrapping: About 15mm Finger hole size: (25mm)
Function: Suitable for self-defense and life-saving in martial arts, a tool that can be mastered almost without special practice. The product is wrapped with a parachute cord, which can be used as a backup emergency in an emergency. It is a very good product.