Back Stretcher Back Cracking Device, 4 Levels Back Cracker Board Chiro Board, Back Popper Back Stretcher for Lower and Upper Back Pain Relief, Adjustable Spine Board Lumbar Stretcher

If you are a yoga enthusiast it is a good lower waist stretcher which can open the cervical intervertebral space and strengthen the lumbar muscle traction and reduce lumbar muscle strain. Use it Anywhere Perfect For Those Whom Back Pains. Simple And Easy To Use. Multi purpose use On the basis of the original lumbar traction stretching the advantage of a memory cotton cushion is added to avoid the waist plate being too hard to hurt the lumbar vertebrae. In daily life it can be used as a cushion for office chair & car cushion and has three levels of height adjustment.