Three men are on a mission in the dessert when their car breaks down. They decide that they can only carry one item each, leaving behind personal items.

Each man packs their baggage and moves on. On the first day they decide to use one mans item. He pulls out a fresh bottle of water, and all agree that this was very needed indeed. On the second day another mans item is used. he pulls out fresh ba of fruit. Wonderful, if the water and fruit is used wisely all will be good. The third fullah is quietly smiling to himself when the others notice.

"whats up with you?" they ask. "I've been using mine all along" he smiles "dont tell us that car door is your item" they yell "Yep, what else will let the fresh air in?"