The Ultimate Back Roller : Acumobility, myofascial Release, Trigger Point, Yoga ... $59.95 Make sure this fits by entering your model number. The first TALL Back Roller and Yoga Wheel with a Spine Gap and Therapeutic Bump Pattern! This Roller will change your life! It is designed by our Chiropractor, Dr. Sonia Pasquale, to enhance Spinal extension, mobility and flexibility! The Spine Gap allows the spine to move freely as you roll, unlike other flat rollers that jam your spine!