Spent about 6 hours on them. Maybe 35 runs or so. Still have to try on nice groomed snow. Only had frozen granular, crud and mash potatoes to run on.
In any case, I'm retiring my Bigfeet 63's and going to the Brazen's Pocket Rock-It 56's for snow skates...LUV THEM, will buy about 6 to 8 pair!