No, the pipe clamps still work for anything shorter than the pipe. One end of the clamp screws on to the pipe and the other side slides so it is very adjustable

No, the pipe clamps still work for anything shorter than the pipe. One end of the clamp screws on to the pipe and the other side slides so it is very adjustable. But I would still recommend some small clamps like the quick-grip clamps or some F clamps.