This DIY method only really began taking off among hashish connoisseurs a few months ago, yet there's already a commercial market for what aficionados call Rosin Tech—including industrial­-sized production set­ups—and a growing sense among foresighted weedheads that these chemical-­free, explosion­-free, quick-­and-­easy concentrates will soon come to dominate the market.

It started when Instagram extraction guru @soilgrown "squished the bud seen around the world" after accidentally stumbling upon the technique while pressing some hash at home. Now he's the widely acknowledged founding father of a large and growing movement.

"I was sitting in my garage pressing out some half melt [lower quality] hash to dab, when I accidentally over pressed, separating the oil from the contaminant," said @soilgrown, who prefers to remain anonymous, but says he's been involved in the cannabis industry since 2007 and specializes in solventless extraction methods. "Without even thinking about it, I rolled it all back together into a ball and repressed it.