A deer cart and the hitch mounted gambrell mentioned previously, especially if you cannot drive up to the kill site. Shoot, field dress, go get your cart. Bring a couple of ice bags back on the cart. Put them in the body cavity once the antelope is on the cart. Once back at the truck break it down and put it on ice. The meat is terrific if handled properly.
If you have to crawl you WILL get stickers in you. I was still finding and pulling them the following morning.
Don't drag and antelope like a deer if you want a mount. The hair comes out very easily.
Get on your feet and out of sight of the road and your hunt will be a lot more fun.