What differentiates this body massager from other massage devices is the way it traps the flesh within the rollers and the rounded, knuckle-like rollers that are not pointy to annoy you.
Because of the shape-you do not roll it over the muscle, the muscle is massaged between the rollers. I use it twice a week and my skin looks so much better even after the first week. Before ordering it, I was concerned about how it could both do for legs and arms, but it really does fit for all sizes of legs arms.
I just use it in a different way than what is shown in the video, you need to bend it to 45 degrees angle to get the most of the relaxing effect it offers, not apply it vertically as it is shown in the video, but maybe it depends on one's body type.
I also use it for foot massage-I insert my foot and massage the tarsal bones and arch, it is amazing.
Because the rollers with the many knuckle-like tips are brilliant, but the device is ideal for body parts such as arms, shoulders, legs, and feet, I hope the Sarah Chapman team soon creates similar devices for the neck and lower back.