Handmade in Tokyo, Japan.
A bulging design that traps the spring air.
The design has a recess in one place, so the glass shines supple and nestles close to your ear.
Glass size: φ18 (mm)
Material: Heat-resistant glass, Brass + gold plated
Glass/metal fittings adhesive part UV resin (ultraviolet curing resin)
){kind=link}