A client texted me a product page at 9:40 on a Tuesday, the kind of message that arrives right after a hard lower-body day when every sales adjective sounds like relief. The mat was pretty. Amethyst crystals. A soft infrared glow. Four frequencies with names that sounded like a meditation app. The price sat north of a thousand dollars, and the promise was a pulsed electromagnetic field that would do what her foam roller, her walks, and her sleep had not. I did not tell her no. I told her to wait until someone on my team could put a…