Check out these links to enter to win free tickets!
http://www.metalinjection.net/free-swag/the-hook-up/were-giving-away-a-pair-of-tickets-to-each-stop-of-summer-slaughter-2014
http://www.metalsucks.net/2014/07/02/giving-away-pair-tickets-every-stop-summer-slaughter-2014/