The social-distancing wearables helping in the fight against Covid-19: ‘It keeps the people apart because it’s annoying’

• The Contact wristband from start-up Proxxi Technology alerts all wearers in a workplace when they may be at risk, and is being used on the set of a US sitcom
• IK Multimedia has made bracelets, belt clips and lanyards that light up, vibrate and make noise whenever people get within six feet of each other