QSA Gemstones remind me of bump dots we place on control surfaces of appliances for my wife who is legally blind. She can sort out the microwave, washing machine and dryer settings. Shiny!
Audio nonsense
In this wonderful world of audio that we journey through folks selling stuff have sometimes been inventive in what they claim. In your trip down this road what sticks out as the most ludicrous thing you’ve seen someone try to sell?
I can point to 2 things. When I first saw a Tice clock in a store I thought it was a gag. Next- Peter Belt.