Postalco Abacus Key Ring

$96.00 at Cooper Hewitt, Smithsonian Design Museum.

A clean and modern take on the classic keyring, these key holders are handcrafted in Japan from solid brass and function vertically with a screw keeping your keys together and in place. Postalco was founded in 2000, when Mike Abelson, a designer of bags in New York, developed an envelope-shaped case for his graphic designer wife, Yuri to hold her A4 size papers. Mike's first creation included a button closure, and was constructed from whatever cloth and leather he had available. Postalco only expanded from…