Originally Posted by
HouseDragon
That being said, if I have a lot of fabric to pink, I get out my old non-self-healing cutting mat and use a pinking blade in the rotary cutter.
Beware! The rotary cutter pinking blade will tear up your mat: using an old mat and especially an old hard mat will save you money and time. 
I do the same thing including using an old mat with the pinking blade.