How to try out the new double tap gesture on your old Apple Watch

Macworld
You’d be forgiven if you struggled to name anything new about the Apple Watch Series 9. All of the changes (other than the new pink color) are under the hood, with a new S9 SiP, U2 ultra-wide band chip, and brighter display. However, the most intriguing new feature is a new double-tap gesture that lets you control some Apple Watch Series 9 commands without touching the display. All you need to do is tap the index finger and thumb of your watch hand together twice to trigger t