Need help with crunches? Dont have a partner to hold your feet while you do your sit-ups? The Sit-Up Assist is portable and will work on any hard surface that allows for suction. It is a game changer.
Need help with crunches? Dont have a partner to hold your feet while you do your sit-ups? The Sit-Up Assist is portable and will work on any hard surface that allows for suction. It is a game changer.