DOZERA Sit Up Assistant Device Bar, Abs Master, Crunches Equipment, Gym Instrument for Home Workout : It is lightweight and easy to be set up. It helps you to work out using different methods of weight training and is extremely convenient to use. It has high-density foam handles that support your ankles and prevent injuries of the joints and muscles. You can use this bar to easily exercise your arms, shoulders, back, legs, abdomen, waist or other muscles of the body. Can be adjusted to four different heights for any foot size, helping to hold your feet in place during exercise. This is very ideal gift for people to have more healthier life standards, especially for people who don’t have time to work out in gym. Easy Installation & Portable : DOZERA sit up bar is very easy to install and remove without the need of any tool. It’s also convenient and easy to use, you can pack it into your daily bag and carry anywhere you like. This portable work out sit-up bar will save your time and money. Multi Functional : A perfect tool to help you to reduce abdominal fat, strengthens and firms abdominal core muscles, play sit-ups, push-ups, elbow plank, press-up stretching back, side kick, flat support, and belly movement exercises. The venue, cost, time, and effect are no longer problems. With a sit-ups assistant device, you can exercise at any time at home, no need to spend money to go to the gym. How to Use : Keep the ground clean and smooth, avoid gaps on the floor. Press firmly the switch to adsorb on the ground. Press the shift switch to adjust. When the adsorption force is not enough, a little water can be added to strengthen the force.