Multi-function: This fitness aid helps support various exercises including abdominal workouts, push-ups, leg exercises, body sculpting, and stretching. Material: Portable sit-up device with a thickened soft foam handle for comfort, non-slip surface, and durable, wear-resistant construction. Features a high-quality steel bracket and rubber suction cup for stability and long-lasting use. Easy installation: Adjustable to three height settings to meet different user needs. Adjust the crossbar height by pressing the spring buckle inward. Secure or release the suction cup by pressing the black button up or down. Strong suction cup: Equipped with a powerful suction cup that firmly attaches to the floor and remains secure during use. For best results, clean the floor with a damp cloth before use to enhance suction performance. Scope of application: Designed for use on smooth, flat surfaces such as tile, concrete, marble, and hardwood floors. Ensure both the floor and suction cups are clean and dry for optimal adhesion.