Red-Neck Fridge Magnets are actually beer bottle caps (from certain breweries) having a tiny but powerful magnet built into them. This means they can be stuck all over the fridge (or the car) after they have been 'pinged' off the bottle.-- xenzag, Oct 13 2018 Bottle top fridge magnets https://www.etsy.co...&ref=sr_gallery-1-3On Etsy, perhaps by you? [whatrock, Oct 23 2018] Not mine (Etsy). My idea is for the manufacturer to build these in to their bottle tops, and thereby attract the sort of clientele who would want to cover their fridge with the results of their drinking exploits. ie mostly total idiots. (Trump voters etc)-- xenzag, Oct 24 2018 random, halfbakery