Features 1Cool practice tool,It's a must-have cool practice tool for flail knife lover. ideal choice for beginner 2It is just a camping practice tool Comb, not a knife. 3Foldable and Compact,It's perfect for short beards / Head Hair. You can flip it smoothly, foldable design is convenient and practical 4Light combs Durably built and in appearance, not easy to rust and break, can use for a long time, you can keep them in your pocket and use them whenever you need. 5No incisive edges, no pointed blades. Perfect weight balance and the perfect center of gravity of the knife trainer. Perfect for learning how to use the real thing with out all the cuts and bruising to the hands Specification: Material: Stainless Steel Color: See Photo Size: 21cm Long Package List Package Include: 1 x Trainer Knife