TWO SWITCH BUTTONS: Comb can be easily turned on or off by lightly pressing. Our spring switch has passed many tests, and the number of tests on the button is up to 50,000. It is durable and allows you to comb your hair anytime, anywhere. ROUND SMOOTH COMB: Our Switchblade Comb is equipped with a round smooth comb. It can protect your hair from damage. Using our Switchblade Comb is usually easy to make your hair smooth and shiny. SPECIAL FOLDING DESIGN: Special folding design, exquisite appearance, easy to carry. You can also use it as a practice tool for your Folding Knife/Flick Knife MATERIAL: Comb Knife is made of metal and plastic material, which is strong but does not hurt your hair when used, and has no tingling sensation, allowing you to have a smooth combing experience. VERY HIGH-GRADE TEXTURED SURFACE: It can prevent the comb from falling, wear-resistant and durable, and extend the service life of the comb. For those who use medium to heavy hair oil, I recommend using it after washing the hair to avoid breaking it