Looperman shows us how to do KrnFX's fast beat.
The first part:
Brr t b kch - t kch t kch t kch
B t kch b t kch b t kch - t kch t kch t kch
The second part:
B us kch b us kch b us - t kch t kch t kch
B us kch b us kch b us Kch - p kch p kch p chk