Though his technique may differ slightly from that of New York’s Eben Freeman, San Francisco’s Neyah White nonetheless does his cocktail shaking with some quick force. Study his shake technique and learn other bartending secrets courtesy of the Chron's Cocktailian column by Gary Regan.
How to Be a Superstar Bartender [Chron]
Cocktail Techniques: Tips & Tricks [The Cellarist]
Earlier: Eben Freeman of Tailor Imparts the Secrets of the ‘Hard Shake’ [Grub Street]