Same motor. Same heat. A different place for the nodes to land.

Adjustable vs. fixed width
- Adjusts to your shoulders
- Nodes land on your span, wherever you set it
- Extra-wide frame to begin with
- Plus 15mm of node adjustment
- Competes on aim
- One fixed size for every body
- Nodes land where the plastic puts them
- One fixed span
- No adjustment at all
- Competes on a bigger number
You can, and it will be a fixed-width collar. We won't dress that up: the $40 unit has a motor, nodes and heat, same as this one, and its nodes are bolted at one spacing forever. If that spacing happens to match your body, buy the $40 one. It will work. If it doesn't, you find out in week one and the $40 becomes the second dead device in your closet. What you're paying for here is the adjustment.
Then you already know how it went: real pressure, real heat, an hour of feeling better, and the same tight spot back by evening. That's what a fixed-width collar does to a body it wasn't sized for. Measure across your shoulders before you order this one.
Correct, and we won't claim otherwise. A therapist finds the spot by feel and adjusts pressure by the second. No device does that. What this does is hold the ground between appointments, on the days when the relief has already faded and the next opening isn't for two weeks.
Both complaints are real in this category and they show up at about the same rate, which is why multiple intensity levels matter more than a high top end. Start at the lowest setting and work up. Nothing about this requires you to tolerate it.
The unit shuts off automatically at 15 minutes, which is a heat-safety limit rather than a battery limit. Don't use it over broken skin or on any area with reduced sensation, and don't fall asleep wearing it. Please read the safety and contraindications page before first use.
It stops at 15 minutes and restarts immediately if you want another cycle. That's a common complaint across this category, so worth saying plainly: the limit exists for heat safety, and it isn't a cap on how long you can use it in one sitting.
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