sorry for the late reply..........but let me add this...........find some #8 sheet metal screws at the big box hardware store........and power drill about 12 screws in each boot. Don't go above 3/8 inch in screw length. Make sure the screws do not penetrate the inside of the boot. This will help with traction and be cost effective, but not entirely slip- proof....hope this helps............. 
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Here I walk slowly, deliberately, taking it one step, one trout, one sunset at a time. -Harry Middleton
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