It really should use two hands since z is a left pinky key (on qwerty, colemak, workman, qgmlwb) and left shift as well (so you should use right shift with it),

It really should use two hands since z is a left pinky key (on qwerty, colemak, workman, qgmlwb) and left shift as well (so you should use right shift with it), but I'm aware many people don't use their right shift key. I only learned to a few years ago when relearning to type anyway.