It's a metronome exercise, by displaced the click into 16th note and 16th note triplet.
It's really fun and useful helping me to play in the pocket!!
Hope this helps!
Enjoy it :)
played by Wen-Shuo 文碩, from Taipei.
recorded @7plusSeven Studio
Thanks Sakae Drum, Zildjian Cymbal, and RegalTip drum sticks.