No Kidding! Will try the sandpaper thing. That really WAS a drag ... Other that that, the can seemed to work well, even had a real-live bear in the field test ... no problems other than below:
<img src=http://homepage.mac.com/audiograce/.Pictures/Photo%20Album%20Pictures/2004-08-19%2019.40.20%20-0700/Image-EC131510F25111D8.jpg width=600>