Just speak at a low volume or whisper and tap more discreet points like insides of wrists... and hope everyone minds their own business! (wellnessmama.com)
As well as lapis stones, obsidian and an 18k gold coating, the devices include a sapphire curved screen on the inside of the wrist that displays text messages, calendar items and events from Google and Facebook, and recommendations of nearby restaurants and stores from Yelp. (entrepreneur.com)
Lukewarm liquids and food feel neither hot nor cold when tested on the inside of the wrist. (clubhouseforchefs.ca)