Alchemy Dibnah's Venesective Blast Pipe Ring

Alchemy Dibnah's Venesective Blast Pipe Ring
This Alchemy ring is a ingenious invention based on Dibnah-pioneered principles, for intravenal pressure control when travelling at very high velocity, or altitudes i.e. over 35mph, or above 1,000 feet, (e.g the Eiffel Tower). Articulated finger ring with glass rod cylinder and adjustable lower shank. Alchemy rings are hand cast and made in England from fine English pewter and in many cases, including other high quality materials and finishes.