HackSpace magazine

Free-form brass soldering is hard. The brass cools down too quickly to let you get the solder where you want it, it bends in ways you don’t want it to bend, it takes forever to get things that are even functional, let alone aesthetic. That’s why this brass ring, with inset LEDs and a hidden battery holder, is so impressive. The most impressive thing is the tiny magnet fixed to the underside of the ring, closest to the wearer’s palm, which keeps the battery from slipping out and breaking the circuit – that and the fact that it’s perfect

From HackSpace magazine store