Here is a core trainer you can take anywhere to get a workout. The Portable Situp Trainer has a suction bottom made of natural rubber. It has two leather belts to hold your feet. The device weighs only 300g, so you can move it around effortlessly.
More gadgets like this ➡️ : here
*some of our articles have aff links. Please read our disclaimer on how we fund Exxponent.