Star Wars AT-AT Walker
Don't accidentally call it an AT-ST... it's totally different

Here's a Star Wars fan than get's a bunch of props for his hard work.  Only a highly devoted fan with some skill (perhaps he used "The Force") could pull this off this effectively.

All that we can that this costume is missing is the beer holder and subsequent beer evactuation mechanism.

You can find out how he exactly made it with step-by-step pictures HERE.