Putting Zoom in pocket is great idea, except you can't monitor the sound. First rule of audio is to monitor. Maybe rent a G3 setup? Maybe plant a mic and run hidden cable to camera as backup. This would also help in synching the sound. I am assuming that you don't have the money, people, skills for a boom op.
Every year, we head to CES to check out the latest innovations in consumer technology and look for the next big thing in video production. CES 2019 was no exception.
