Other great uses are as a photo clip (just affix the clothespin to a base), or to hold papers or display photos on a filing cabinet or a refrigerator (just glue a tiny magnet to the back). I first admired these at Essentials in downtown Northampton, and then found an easy tutorial at Pin and Paper. I tried doing them two ways: with the exacto knife like the tutorial suggests, and tracing around the clothespin and cutting it out. I found the latter much easier.
They make great stocking stuffers, new job gift (an office job, that is), or wedding and party favors.