Abdominal training bar for daily fitness training. A versatile sit-up device you can use at home. The unit is portable, highly elastic and wear-resistant, designed to be gentle on the feet with a comfortable and safe workout experience. The T-shaped abdominal and sit-up equipment is compact and practical for home fitness. The sit-up tool uses a belt that can be inserted into a door gap for anchoring, allowing easy installation and quick removal. This makes it a convenient household tool for ab training. Use scenarios - Home core routine: anchor the device to a doorway and perform sit-ups and abdominal exercises as part of your daily fitness. - Easy setup and storage: install in minutes, remove quickly, and store in a small space when not in use. - Shared household use: suitable for multiple users with simple, fast setup.