Optifit Butterfly Knives Trainer for Beginners with O Ring Latch and Stainless Steel Handles Sony Case Features a strong suction cup

Features a strong suction cup bottom that prevents spills by adhering to flat surfaces

The fitted cut and four-way stretch structure provide a comfortable

and other similarly sized objects without bending

Durable nylon-braided construction provides lasting protection and flexibility for everyday use

Optifit Butterfly Knives Trainer for Beginners with O Ring Latch and Stainless Steel Handles Sony Case Features a strong suction cupOptifit Butterfly Knives Trainer with O Ring Latch is a stainless steel balisong trainer designed for beginners, children, and butterfly knife enthusiasts. Made with solid pin construction and a copper washer setup, it ensures durability and smooth rotation after regular use or screw adjustment. The unsharpened blade design provides safety during practice, allowing users to master flipping techniques confidently. Its skeletonized handles reduce weight