Proper base preparation is perhaps one of the best ways to insure you have great kick and glide for the 55km American Birkebeiner. Follow these simple steps and your skis will be ready for race wax application.
It would seem that the hairs on the hairies are too fine to function in the same way as fishscales and enable a simple mechanical kick. It's quite possible that I could be wrong here, but I'd like to present another idea on how hairies work.
UPDATES! Wax recommendations from Fast Wax, Solda, Swix and Toko for the weekend's Michigan Cup (and other) races. Says Swix's Pete Edwards: "Looks like it will be warmer and wetter on Saturday and cooler/drier on Sunday."