Key benefits Stable support for sit-ups and crunches: a suction-based assist keeps your feet anchored so you can focus on form and core engagement. Strong adhesion: designed to hold firmly to smooth surfaces to prevent slipping during exercise. Protects feet and legs: non-slip, smooth contact surface reduces chafing and the risk of injury to your feet or ankles while exercising. Easy home installation: installs quickly on compatible floors so you can start workouts without complicated setup. What it does Anchors your feet for sit-ups, crunches, and other abdominal exercises. Functions as a sit-up assistance device to improve rep quality and consistency. Provides a safe, stable contact point for home training sessions. Key features and specifications Suction cup width: 125 cm (ensures a broad, stable base when attached to a smooth floor). Surface compatibility: suitable for all smooth floors such as marble and granite. Contact surface: non-slip and smooth to protect the skin of your feet and legs. Intended use: home fitness sit-up/crunch assist and general abdominal training support. How it solves common problems Prevents feet from sliding on smooth floors, eliminating the need for a partner to hold your feet. Improves exercise safety by providing a gentle, smooth interface that reduces pressure points on ankles and feet. Eliminates unstable anchors that can interrupt your set or cause you to compensate with poor form. Simple installation and use Clean and dry the smooth floor surface (marble, granite, etc.). Press the suction cup firmly to the floor to engage adhesion. Place your feet against the non-slip surface and perform sit-ups or crunches with improved stability. Practical applications (use scenarios) Daily home workouts: attach the device to a marble or granite floor in a living room or hallway for regular core training. Apartment or small-space fitness: provides a compact sit-up assist option without permanent fixtures or bulky equipment. Rehabilitation and controlled core work: use during low-impact abdominal exercises where feet stability is required. What to expect in performance Reliable hold on compatible smooth surfaces when installed correctly. Comfortable foot contact that minimizes abrasion and pressure during repeated reps. A straightforward, no-tools-required solution for improving sit-ups and crunches at home. Compatibility and limitations Best performance on smooth, hard floors such as marble and granite. Ensure the floor surface is clean and dry before installation for optimal suction adhesion. Included function summary Sit-up assistance device, crunches/abdominal training aid with a 125 cm wide suction cup and non-slip smooth contact surface designed for home use.