[VIP The 2 year ] Index:3
Through Authenticate 
7-Angle Stretch Board adjusted by a Moving Detachable Elevator.
From the lowest angle (14 degree) for the beginners, and increase the angle as you become comfortable -16-18-20-22-26-30 degrees.
Make the Legs Sturdy, Slim and Strong.
Improve the body and Muscles to More Elastic and Flexible.
