I see people using BMR's custom kadee couplers in their builds all the time, but i've yet to see anyone show the use of a decoupler, so i figured i'd show mine in case theres people out there that had no idea this is even an option. Kadee makes and sells their own decouplers, but i found them to be quite expensive for essentially just being a special magnet, so i set out to design my own. I found some cheap neodymium bar magnets on amazon and modified a couple pieces of straight track by...