A few basic lego pieces and a little creativity can make a variety of detachable key rings and key storage areas.

Build a Lego Key Chain and Key Chain Holder
https://youtu.be/r0CbW29OLO4?t=23s This is a fun and functional DIY project as well as earth friendly. Before you throw away your children's outgrown Legos, why not build a Lego key chain and key chain holder? The decorative possibilities are endless with all those shapes and vivid colors. Who knows, perhaps you will…
In "Decor"

Medicine Bottle Hidden Key Safe
It's easy to get locked out. And, sometimes, it's nice to have a hidden key you can direct guests to when you're not around. Epoxy a rock to the bottom of a Medicine bottle or small jar. Avoid metal lids as they tend to corrode over time. Once the epoxy…
In "Editor's Choice"

Hex Key Hack – Free High Speed Allen Wrenches
Cut off the L-shaped portion of those free hex key / allen wrench tools you get with furniture to make your own kit. The long and straight portion of each wrench can then be chucked-up like a regular drill bit, making your furniture assembly go about 100 times faster than…
In "Editor's Choice"
Very nice construction!