Custom, handmade Yoga Rope Walls by Dennis Dean with Private Instructions for over 20 Years via his 4 Yoga Shalas called Yoga Mandiram™ and now Pranayama.com- These walls have been professionally used in four of Dennis Dean studios with hundreds of installs throughout California. They are over 175 different postures that can be used with these walls, including variety of different accessories. The Yoga Back Bending Benches by Dennis Dean are an excellent contribution to the therapeutic attributes that come with using this Yoga Rope Wall and it's accompanying instructional manuel.