8 1/2 is the smallest I have ever seen for fabric. There are smaller ones for paper but I am sure they won't work on fabric.
I've seen pinking blades for rotary cutters...
I've a pair of smaller sheers for fabric.. they are Fiskers (sp?) and work beautifully! I've had them for years..
I was just thinking this very question this am!!!
Thanks all! I'm trying to create a smaller zig-zag when I cut silk fabric. I have seen the rotary pinking blades but they seem to be as thick/large as the shears.