I tried Apple Watch Series 9 double tap and was blown away
Series 9 or Ultra 2 Users: is anybody happy with the new Double Tap feature? : r/AppleWatch
Apple Watch Series 9 Gains Double Tap Gesture in 10.1 Update
You can already use the Apple Watch Series 9's best new feature
Apple Watch double tap gesture now available with watchOS 10.1 - Apple
Hands On With the Apple Watch Series 9, Ultra 2: Putting Double Tap to the Test
Series 9 or Ultra 2 Users: is anybody happy with the new Double Tap feature? : r/AppleWatch
Apple Watch Series 9 Double Tap: What I Like and Don't Like About It - CNET
Apple Watch Series 9 Review: New Tricks Make for a Minor Upgrade - CNET