Name That Weird Invention!

It's time for the Name That Weird Invention! contest. Steven M. Johnson comes up with all sorts of crazy ideas in his Museum of Possibilities posts. Can you come up with a name for this one? Commenters suggesting the funniest and cleverest names will win a free T-shirt from the NeatoShop.
Contest rules: one entry per comment, though you can enter as many as you like. Please make a selection of the T-shirt you want (may we suggest the Science T-shirt, Funny T-shirt, and Artist-designed T-shirt categories?) alongside your entry. If you don't select a shirt, then you forfeit the prize. Good luck!
Update: The first place winner is Golfyball for the name Bumpermarket. Second place goes to ladybuggs for the Grumpcart. Both win t-shirts from the NeatoShop!
Honorable Mentions:
Stacey Bumper Basket
Michael Wendell Bumpercarts
BrisusCheez BumperBuggies and CrashCarts
ladybuggs Crash Cart
ladybuggs Bumper Buggy
tcchuang The Amusement Mart
ladybugs The Grumple Mover

























