Coming out of California, the Rangers are a hip-hop group and dance crew who were at the forefront of 2009's "jerkin'" explosion. They became one of the most popular "jerk crews" on video sharing sites that year, tallying up over a million views of their uploads and inspiring teens from coast to coast to try their hand at "jerkin'," a frantic style of hip-hop dancing inspired by the "krumping" craze of 2008, plus the '80s breakdancing movement. In August of 2009 they announced the coming of Jerkin Is a Habit, Vol.