David Tsai has finally solved the problem of where to keep your key when you go for a run - a 3D printed ring that holds a key securely on your finger.
Also on these boards
fun crocheted and sterling stacking rings
It Works! Before & After of Using an Iron to Remove Water Rings from Furniture
Green and black vinyl record album ring by LoveAlwaysGina on Etsy, $5.00
antique key ring. i want one!