EASY INSTALLATION: The foot perch is very easy to install at home without tools. Just to find a dry and clean flat floor, push the spring buckle inward to adjust the height of the crossbar and push the black button up or down, go off the suction cup / fix it. Before you start exercising, please make sure that it is not easy to move.
MATERIAL: iron pipe + foam + natural rubber + PP +durable rubber thick suction cup, strong suction power, firm and safe. Super comfortable and safe protects the instep from pain and does not injure the foot. Suitable for the whole family.
ADJUSTABLE: The sit-up machine can be adjusted to three different gears for each foot size by a flexible spring buckle to keep your feet in a fit place during exercise.
Convenient for doing sit-ups every day, especially for busy people who don’t have so much time doing exercise.