If Workers Slack Off, the Wristband Will Know. (And Amazon Has a Patent for It.) - The New York Times
Amazon Selling Electric-Shock Bracelet to Help You Quit Fast Food
Amazon Selling Shock Bracelet To Break Your Bad Habits
HSSON Compatible with Shock GA-2100/GA-2110 Men's Bracelet, Luxury Stainless Steel Bracelet, Adjustable Replacement Bracelet, Metal Bracelet (Colour: Rose Gold) : Amazon.de: Fashion
Amazon.com: Rosewill Anti Static Wrist Strap Band, ESD Strap Anti Shock Wristband Bracelet with Grounding Wire Alligator Clip, Detachable Extra Long Cord (Packaging May Vary) - RTK-002 : Electronics