there's a youtube video from America's Test Kitchen (aka Cook's Illustrated aka Best Recipe Cookbook) which says that what accomplishes the best whisking is a s

there's a youtube video from America's Test Kitchen (aka Cook's Illustrated aka Best Recipe Cookbook) which says that what accomplishes the best whisking is a straight 180 degree back and forth reciprocation motion, because it imparts the greatest sheer forces to the stuff you're whisking. https://www.youtube.com/watch?v=2WcvoVHgKos https://www.youtube.com/watch?v=2WcvoVHgKos