Plug to waterproof Christmas lights and multi-prong extension cords

Here is a cool item for waterproofing outdoor Christmas lights and multi-prong outdoor extension cords. The third prong can be snapped off for 2 prong connections. They are meant to be used in conjunction with Rain Block Weatherproof Gaskets. I used these last year on Christmas lights with NO tripped GCFIs!! They work REALLY well! You can get the gaskets here: http://www.rainblock.net or at Amazon: https://www.amazon.com/Weatherproof-Extension-Cord-Gasket-pack/dp/B01N03R04R

They are like chil