Used for final sharpening and smoothing after sharpening razors Enjoy a smooth shaving experience at any time. Increases the life of razors When using, fix the front end, pull the back end with your left hand and rub knives back and forth on the swing cloth with your right hand. Pay attention to the one that acts on the back of the knife At the beginning, the razor needs to be polished: rub the other side of the razor, the side without notch, back and forth for 2-3 minutes and at the same time add something oily to improve smoothness For professional hair salons, Manufacturer: huiouer