suction sit up

suction sit up 
Upgraded Self-Suction Sit Up Assistant Equipment Household Fitness Equipment for Body Building Abdominal Training
The sit up bar with advanced two-row support rods that provide greater heel power and double efficiency; High density soft foam-covered handle can protect the instep from pain. The enlarged rubber suction cup enhances the suction power to the ground, more stable and durable.
The spring clip of the abdominal device has a four-position height, Through the spring snaps freely adjust their comfort level, just have one to fulfill the training requirement of your whole family.
Without any tools to install, the sit up bar's with 12cm bottom sucker, just need to find a dry and clean flat ground, then put down the sit up bar on the ground,pull down the lock, finally adjust the gear position.
The sit up bar can be used at home or in the office to shape your body and trim your waist. It is very suitable for exercises such as sit-ups, push-ups, side kick, sit-ups, backstretch, elbow plank, belly movement and other sports. Perfect for tiles floor concrete, cured or any other smooth floors.