That's classic Kashlima. He's just hitting on the 1, 3, and 5, and leaving out the last 4 beats. Kind of nice because then you can hear the flare of the dumbek at the end of the measure.
Here's pretty much the same thing that I did years ago with a group called Sherefe. I'm playing the didjeridu in that bass position:
http://dl.dropbox.com/u/10287309/04%20Mastika%20Kashlama%201.m4a