Not much to say, it's a good roll, well fabricated It Seems, Although knowing the black roll Series I expected a harder surface and do not fully see the benefits of the various patterns. However, de effect is as Desired, it gets loosened tensions, pain is reduced, flexibility Increased, overall body feeling gets harmonized, the body looses the feeling of stagnation and heavyess and wants to be active again.Due to being hollow there is a number of excercises: such as push-ups did benefit from having a good hold onto the roll from two sides. All in all I would say one of the good ones, recommended.
