Originally Posted by CoriAmD

I used the plastic canvas to make inserts to strengthen the bottom of my shopping bags. Covered them with fabric and sewed thru it. No problem. I figured the worse that could happen is that I would have to replace the needle. I did increase my stitch length on the machine and started slow just in case it didn't work, but it did just fine.
I would think it would work just as well as reinforcement for snaps... same principle.