Resting heater
I've tried mine out, and I've read the instruction manual, but I'm still not sure:
1. If it's working.
2. How it ought to work, or what the point of the thing is.
Nevertheless, I want it to work and I want to get some benefit out of the thing.
Mostly, when I press the button, it only stays lit until I release it...
How is it meant to operate, please?
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