Originally Posted by runnin4melife
I suggest using a piece of cut up tubing that you can put between your rim and tire when using irons unless you want to scuff up your rims. This method has worked much better than rim savers for me but it is user dependent I guess. Also talc up your tube. Some people say it doesn't matter but I have had issues in the past. If it is wet out just roll with it until you can do a proper fix.
What does the talc powder do?