Proberos Butterfly Knives Trainer with O-Ring Latch for Beginner, Children, Butterfly Knives Lover & More, Balisong Trainer with Unsharpened Blade for Practicing Flipping Tricks(Black) Graphics card bracket Ergonomic design fits the neck

Ergonomic design fits the neck curve precisely to relieve stiffness and tension effectively

Little clothing accessories on outfit will lift up the whole temperament

Suitable for business professionals

Approx 10*9 cm

Proberos Butterfly Knives Trainer with O-Ring Latch for Beginner, Children, Butterfly Knives Lover & More, Balisong Trainer with Unsharpened Blade for Practicing Flipping Tricks(Black) Graphics card bracket Ergonomic design fits the neckPREMIUM MATERIAL: The butterfly knives trainer is made of stainless steel, durable and stylish. The trainer features a solid pin construction and a copper washer setup with a spring latch for easy portability. FINE WORKMENSHIP: Smooth suface is comfortable to hold. The handles feature a skeletonized design can not just make the look be more exquisite, but also can reduce weight for better and more flexible in hands. SAFE TO USE: The uncut edge is