wholesale colorfully painted 3d csgo tactical fighting butterfly knife practice comb unblade folding knife self-defense swinging combing kni

non-offensive blade-this butterfly knife trainer is perfect for learning how to use real objects without cutting your hands. durable and stylish. our well-designed butterfly knife trainer has a sturdy pin structure and a copper washer setting with a spring latch to ensure that these knives are durable perfect balance-the handle adopts a skeleton design. we calculate the perfect weight balance and perfect center of mass of the butterfly knife trainer to ensure that you can flip it smoothly. risk-and safe-this practice butterfly knife has no sharp blades and is very suitable for learning how to use real things without cutting and hurting your hands. choice: the dull butterfly knife is the choice for intermediate users. ergonomic highly polished handle. suitable for all kinds of fancy movements.this is a perfect product..syi