Had never heard of the Folded Corner Clipper, so just had to Google it. For those who are interested, here is what I found:
http://www.prairieskyquilting.com/sh...te-x657517.htm
https://www.youtube.com/watch?v=NjD3AKiSyPw
Another template I will eventually need......
Edit: On the Youtube video, snowballs are demonstrated are about 4 minutes in.