Has anyone ever tried one of these? I keep seeing ads for them on facebook and have just bought one. I am hoping it will get rid of the hump at the top of my back, relieve some tension and help with TMJ? Worried that I've been reeled in by some scam or something!
It's like this
www.amazon.co.uk/Traction-Support-Portable-Cervical-Ergonomic/dp/B08BLCB5HX?th=1