Hoopomania® Magnetic Hoop, Hula Hoop with 48 magnets, 1.2kg (Misc.)
It makes much more fun, with the hoop to make an abdominal and back muscle training, etc. as miserable Sit Ups Perform exercises. Therefore, I forgive 5 Stars. As for the bruises (I train with a normal kidney, is also more favorable than the price of