SCDTV are on their last part of their video interactions with their friend MG, who is adept in building airsoft custom guns. Now, this video is just the fun part playing with a home made mortar... "Hi friends! After almost a year we have finally got some time to finish the last part of an interview with our friend Mg. 5Th part is just a 4 minute short clip showing old farts playing with a gas powered home made mortar called 'Big Bertha.'"