MEN'S MAX's high-quality and easy-to-use images are impressive, and they have created a new Grit Cup rotating airplant cup with excellent technology and innovative power! Just twist the top left or right to change the insertion feel! Twist left or right even during insertion, the tightness and push are in your control! The inside is thick! The feeling of use is stable, the durability is good, and it can be used repeatedly! Each part can be disassembled, washed and dried, then reassembled for reuse.