I used to use Toob Lube, worked great, then I realized it was just cork grease for wind instruments relabeled (I think). So I've been using this: http://www.amazon.com/Vandoren-CG100B-Clarinet-Cork-Grease/dp/B0002D0HXA/ref=sr_1_1?ie=UTF8&qid=1438747916&sr=8-1&keywords=cork+grease
You can just...