Two rounded edges with an open gap in the middle. Instead of pressing across the full width of the muscle, the Arch contacts two points and lets the tissue in between release without compression. Think of it as a massage that works the borders of the muscle while giving the belly of the muscle room to breathe. This makes the Arch especially effective along areas where you want to work the edges of a muscle group without loading the center — straddling the shin, framing the Achilles, or rolling along either side of the calf. The open center also creates a subtle lifting sensation as the two edges pass, gently mobilizing the tissue rather than just pressing it down. Comes as a set of 3 — one for each of Therabot's massage nodes. Best for: Shins, Achilles area, and any spot where direct center pressure is uncomfortable but the surrounding tissue needs attention. The feeling: A gentle, framing pressure on either side of the muscle — like two thumbs running parallel tracks with space between them. Intensity: Low. The dual-contact design naturally splits the force across two points, making this the lightest roller in the collection.