Let's go with the later. I'll tell you, it's a little tough to get the bit in, but once you have them harnessed up properly and fill them up with sugar, they have some pretty decent pulling power for their size.

The Aerocart looks like an awesome product, but I have heard mixed reviews on their longevity. I had been considering a Tipke folding cart and an Aerocart for carting out target frames and steel plates in Pawnee. Then I got tired of the off-roading tickets and getting shot at, and joined Pawnee Sportsmans.