what do you put on out door carpit to make it slippery
maybe waxing your skis will help also
oh sorry I thought you had already tried in and just werent getting enough speed, yea soap, kinda obvious...
This stuff works like a dream, its a little pricey but its worth it. Also if you let it sit after your done using it (it should resamble something like pop rocks after its dry) all you have to do is get it wet and its slides like new.