Should You Clay By Machine Or Hand??

SCOTT WITH DALLAS PAINT CORRECTION & AUTO DETAILING IN PLANO TEXAS TALKS ABOUT IF YOU SHOULD CLAY YOUR CAR BY DUAL ACTION POLISHER OR BY HAND.
WHAT METHOD IS BETTER?
Products Used:
1. Griot's Garage 10813STDCRD 6" Dual Action Random Orbital Polisher with 10' Cord - amzn.to/39EYVpX
2. Mothers 07240 California Gold Clay Bar System - amzn.to/2IzfJmq
3. Nanoskin 6 Inch AUTOSCRUB 6" Fine Grade Foam Pad for DA Polisher [AS-006] - amzn.to/3cHdhYS
HIGH QUALITY MICROFIBER TOWELS FOR AUTO DETAILING
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