Great idea--there is a big parade on July fourth here in Arlington, Texas, and UTA always participates. I'll make a point to suggest a book truck drill team!

Meanwhile, we have always suffered the agonies of rolling hard-wheeled book trucks over the rounded rocks in the library mall (when transporting materials between branches) and across the bumpy tile floor in our sixth floor atrium. It's like being on the inside of a snare drum to listen to the combination of low rumble of wheels and higher pitche rattle of metal sides as they move through the room. They finally got some pneumatic wheeled carts for outside, but not inside.

I can imagine that the empty hard-wheeled trucks on the city streets would make as much noise as any marching band!

SRS