Start with alternating hands before adding thumb rolls
Before jumping into complex finger-rocking movements, build confidence with a simple alternating walk: Left - Right - Left - Right. Keep your left hand on the small drum the entire time, and let your right hand move to the larger drum only on the very last note of the cycle.
Add the left-hand thumb-finger rock
Once your right hand feels comfortable moving to the larger drum on the "and" of 4, replace the plain left-hand mutes with the seesaw rocking motion between your thumb (on beats 1 and 3) and your fingertips (on beats 2 and 4). Because your thumb stays resting on the skin during the "and" after 1 and 3, your right-hand strike on those counts sounds slightly higher and tighter.
Give your hands breathing room with rests
Not every rhythm fills all eight counts. Leave small pauses so the low drum stands out clearly. This pattern works wonderfully beside someone strumming an acoustic guitar in the garden.
How to pace a 15-minute backyard session
Practising outdoors should feel restorative, not exhausting. Set your metronome or a ticking watch to a gentle 72 beats per minute (about the speed of a resting heartbeat). Spend five minutes on Loop 01, five minutes on Loop 02, and five minutes inventing your own low-drum answers while keeping your breath calm.