Duke Dual Ab Wheel

Duke Dual Ab Wheel - Say goodbye to back problems! Duke Dual Ab Wheel is small but a very effective device for mid body workouts. It helps in building the strength and muscle on your core

Shaped handles ensure a firm grip, and twin wheels, in turn, stabilizes the movement.

Try also the balance-wobble cushion or -board:

https://www.nordic-duke.com/en/product/nordic-duke-balance-board/

and

https://www.nordic-duke.com/en/product/duke-wobble-cushion/