http://store.citygrounds.com/store/p...-Buttons-Gray/
http://store.citygrounds.com/store/p...-Buttons-Blue/
http://store.citygrounds.com/store/p...d-Buttons-Red/
http://store.citygrounds.com/store/p...Buttons-White/
http://store.citygrounds.com/store/p...-Buttons-Blue/

I have the blue Cinelli's on my bike, for steeze purposes only.

Actually I could see these being useful if you had a stitched leather strap that you wanted to cut shorter. The buttons could keep the layers from separating.