Free: Contests & Raffles.
Not sure if you mean to carry out of the field, or what, but I use a super mag hauler from Cabelas and a hitch on my mountain bike if it's a ways back in.http://www.cabelas.com/game-carts-carriers-cabelas-super-mag-hauler-3.shtml
we use a capsan winch and a deer sleigh'er. it'll drag any animal out of the deepest, darkest places. then, on to a 4 wheeler!http://www.capstanropewinch.com/