The foot sit up Bar is very easy for home installation without need any tools,only to find a dry and clean flat ground,then put down the sit up bar on the ground,pull down the lock. Last adjust the gear position.With reference to the training manual, you can do sit-ups, push-ups, hip bridges, side-lifting legs, flat support, etc. to exercise your waist, abdomen, arms, legs, buttocks, and to a certain extent can also increase your overall strength. It will be a versatile tool for you.Can be adjusted according to your height. Press the spring buckle inwards while holding the bar to pull up or down to adjust the height. Also by adjust the height, be multiuse in helping you complete roll belly movement, push-ups, side kick, sit-ups, stretching back, elbow plank, press-up, swallow of training and other sports.Sit up You can use it to exercise your abdoen at home. If you have a yoga mat, You can put your yoga near it and train nicely.Lightweight and portable design, small occupation, anywhere, easy to carry and to use for a work out anytime.