(fencing) A device used in electrical fencing to detect regardless of whether a weapon has struck an opponent, which connects to your fencer's weapon by a spool and system wire. It uses lights and seem to notify successful, with distinctive coloured lights for on focus on and off goal hits. https://gabletoppak.com/reducing-microplastics-why-gable-top-cartons-are-better-than-plastic-water-bottles/