1. Clean inner side of filter wrench with rubbing alcohol to remove any oil residue
2. Attach a good double stick tape, enough for about 1/3 to 1/2 of the wrench band on area opposite of arm
3. Cut a strip of #200 grit sandpaper or emory cloth of the same size
4. Attach to tape. Done
You will be surprised how much easier stubborn oil filters come off.
P.S. For the picture I cut the sandpaper wider than the band for better viewing, normally I cut it the width of the band.