Material: ABS environmentally friendly material
color: Rose Red, Blue Green
gear adjustment: 6-gear adjustment

stretch board

as long as you stand on it for 10 minutes every day, the calf muscles can be pulled apart to avoid calf muscle enlargement.
Relax the calf muscles and reduce calf ~
and it can also be ligament pulling
I put it in the dormitory, it is really convenient, not occupied, very suitable for small space. There are five gears to adjust. I am currently in the first and second gears.
Just stand on it for 10 minutes while playing mobile phone and watching TV every day! Really convenient! It can relieve the soreness of the calf after a day.