(fencing) A tool used in electric powered fencing to detect whether a weapon has struck an opponent, which connects to the fencer's weapon by a spool and entire body wire. It uses lights and sound to notify a hit, with distinct coloured lights for on focus on and off target https://gabletoppak.com/glass-bottles-for-beer-soda-and-even-water-found-to-contain-toxic-levels-of-cancer-linked-microplastics-than-plastic-bottles-study-says/