Digging a Secret Massive Underground Room!!! (down in the spider hole)

Thanks to Ecoflow Delta Pro for sponsoring this video: Japanese Spider Hole Part 1: Japanese Spider Hole Part 3: Japaneses Spider Hole Playlist: Kevin of Modern Self Reliance digs deep, using the EcoFlow Delta Pro to power his jackhammer, blasting through clay and rock to clear out thousands of pounds of dirt and build a 10 x 10’ hidden room underground! Using the EcoFllow Delta Pro to power his drill and tools, Kevin is able to secure his underground bunker safely, building a wooden frame to add stability and style: his underground bunker feels like home thanks to EcoFlow! Underground lighting to work safely is no problem, with EcoFlow portable power. I build an authentic Japanese military spider fox hole with just a few basic tools including a small army shovel, some metal buckets, and