The BLACKROLL® TWIN combines the classic BLACKROLL® STANDARD with the DUOBALL 12. With the cutout in the middle the TWIN is especially applicable on the back, because it relieves the spine while rolling. In comparison to the DUOBALL the points of contact left and right are wider. The fascialmassage to the left and right of the spine is applied more extensively than punctual. The weave of the material in the mid-section of the twin stimulates the skin and the tissue, especially while applying on legs and arms.
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