Mastodon joined Against Me!, and Cursive for a North American tour, with Planes Mistaken for Stars opening for one leg and These Arms Are Snakes the other.
Mastodon uníuse a Against Me! e Cursive para unha xira por Norteamérica, con Planes Mistaken for Stars como abreconcertos para unha parte da mesma e These Arms Are Snakes para a outra.