Excellent suggestion, thanks!
Definitely avoid the cheap ones, old dull ones, etc....
I think there are even 'pinking' roller cutters (but I've never even use the roller cutter I have on any fabric)

Another trick with cool 'pink' implications, is when transferring a line design, poke holes along the lines, then use a 'ponce' bag with charcoal dust to make a dotted line on your work area. (I learned this trick from Michelangelo Bunorotti who probably just used an old toner cartridge when he did the Sistine Chapel ceiling).

: I've also had good luck with pinking shears but I found the cheap
: ones won't cut the fiberglass. fiskers (about $30 at walmart)
: worked fine.