We used a single conveyer belt pickup in 2009 with a board on one side to apply pressure as not to fall. The lunacy balls were covered in cloth(which slipped when rubbed together) as apposed to this year's balls which are extremely grippy when rubbed together. With a single conveyer belt the balls need to roll up the other side so when two balls come in contact it'll get in the way of the system working. This year we're probably gonna go with a double conveyer belt system ourselves but I’m sure you’d be able to make a single belt system work somehow too. Good luck!
