Here at Nilplug laboratories, we have developed this ring for those occasions at work or when you're out socially, when you inadvertently become invisible. Press the button to regain visibility. If it doesn't work, I'd go home.
Solid brass and acrylic enamel paint. This ring is formed of 7 pieces cut from 0.9mm brass sheet, shaped and polished before painting. The pieces are cold connected with three brass cheesehead bolts.