I did this short tutorial and demo on how to sync your Pocket Operators to your brand new KeyStep Pro. Hope you like it!
(Link to YouTube clicking on the image or
here)
P.S. after some tinkering with the MIDI Control Center, I got it to send the right clock signal, but still the method explained in the video (using the drum gates) is superior because it allows you to do polymetrics, off-beats, etc.