From The Goddamn Gallows official website bio:
In 2007, they left everything behind and spent the next 4 years living out of whatever vehicle would get them to the next town. Building upon their original sound of “twanged-out, punk rock gutterbillyâ€(Life of Sin 2004 and Gutterbillyblues 2007), they began picking up stray musicians along the way and adding to their sound; washboard, accordion, mandolin and banjo (Ghost of th’ Rails 2009 and 7 Devils 2011) creating a sound referred to as “hobocoreâ€, “gypsy-punk†or â€americana-punkâ€, while never being stuck in any one sound.
Here’s a mini-doc with a good sample of the sound: