Workouts Easier and More Effective Than Ever! PRODUCT MAIN FETAURES Large suction cup design, strong power, large area suction, stable after suction, no shaking, more uniform stress. Self-suction design, no need to install, it can be absorbed with light suction, not afraid of dust, small size, lightweight. Height adjustment of 3 gears: first, it is recommended to use gears for barefoot or small-foot people, and second third gear is recommended to use gears for shoes wearing or big-foot people. Arc anti-skid coating foot protection design, anti-skid without wearing feet, not afraid of barefoot movement. Suitable for all smooth floors. Marble and granite have strong adsorption. Add foam design, soft and comfortable Ergonomic design, healthy and safe to use Convenient to install and easy to use