(fencing) A Tool Utilized in electric powered fencing to detect regardless of whether a weapon has struck an opponent, which connects to a fencer's weapon by a spool and system wire. It uses lights and sound to notify a hit, with unique coloured lights for on target and off goal https://gabletoppak.com/supporting-sdg-14-life-below-water-through-sustainable-edible-oil-packaging-with-gabletop-cartons/