For those of us with older MacBooks and new chargers, the Bit Wise Magsafe Adapter Key Ring will simplify our lives tremendously.

The Bit Wise is a 3D-printed MacBook adapter key ring created by Shapeways. The (affordable) magnetic stainless steel adapter comes on a sturdy keychain, so you'll never lose or forget the tiny piece after use.

Watch this GIF for a demo.

[via NotCot]