My team has usually used a wheeled shooter. The wheels we have used, however, are magical! We call them marshmallow wheels, but they are actually wheels for conveyor belts. What makes these wheels special is that they are made of a toughish rubber that when you spin with even a direct driven mini-CIM or CIM, they expand. So they sell these in 4-in diameters, but when they are spinning, i think you can get them up to 6 inches. These wheels were ideal for 2013 and 2014 because you wouldn't need suspension on the shooter to account for the give that the balls had and the Frisbee had a more consistent flight with these. I'm sure if we had gone with a tote shooter idea we would have used these wheels to shoot them onto stacks
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