In reality, Shawn ‘The Harpoonist’ Hall and Matthew ‘The Axe Murderer’ Rogers evoke much more than just grisly nautical imagery. Armed with an arsenal of harmonicas, a mess of foot percussion, and a road-worn Telecaster, the duo kick out raw and primal blues in the tradition of a “decades-deep blues style” (Scott Brown, What’s up Yukon), while infusing the genre with a jolt of renewed energy.