Here is an ab roller that doubles as a sit-up bar to help you work your core hard. The SS SUNCHIRI Multifunctional Core Trainer is ready for leg & back stretches, sit-ups, push-ups, glute bridges, and other popular moves. Each roller has 3 points of support on each side.
You can detach this core trainer to further exercise your core. Its 12cm suction cup ensures safe workouts.