In the past few years, we have covered plenty of cool ab training tools here. The Aztra Core Chair is also worth a look. It is a lightweight exercise chair with a foldable design that you can take anywhere to work your core. This 2-in-1 chair lets you lean back more than 180 degrees to stretch your back.
The Aztra Core Chair goes easy on your knees, back, and neck. It has moisture wicking backing to keep you cool through workouts. This exercise chair has 250lbs capacity.