This is the next SoCal party craze, following up on oxygen bars and botox parties. Come over, have a glass of wine, and get your heart rhythm checked.
Seriously, I had no idea they sold these on Ebay. In a strange way, it would be completely badass to have one around the house, like on a table in the living room next to a Lladro figurine.
Runner up (non-Ebay) item of the week: Neuticals. (H/t gswift.)