●(Long Selling for over 40 years) The original stretching board has been renewed and renewed by a large inventory award, boasting a total sales of over 1 million units. The series "Stretching Board" has been ranked 1 in the recommended popular stretch board in 2023 by mybest ●Easy to use. Just Ride on and Stretch: Basic use is just by riding on a stretching board. Stretches safely from children to elderly. It stretches around the back of the body including Achilles tendons, calves, back thighs, hips, and back. A gymnastics manual is also included, so even beginners can use it without worrying about using it or stretching method ●(Fine Angle Adjustment from 5 to 35 degrees) Easy to see the angle display, and you can adjust the angle between 5 and 35 degrees by simply sliding the lever. You can choose the perfect tilt for your flexibility ●(Reliable Kyoto Foam) The heel part uses PE foam with a soft, high resilience material that makes the heel load softer. It also comes with a toe up supporter, so you can push your toes up and stretch your calf from the plantar fascia at the same time. (Please note that the color of the floor protection mat included may change without prior notice.) ●Reliable Japan & Evidence Provention: Everything from molding to assembly and packaging is done in Japan. Made of ABS resin with excellent hardness, rigidity and impact resistance, this product is made to last for a long time. The use of a stretching board also improves flexibility, reduces muscle fatigue and allows you to stretch your lower body more easily accumulated fatigue