what does clip mean in this sentence?

Then he unrolled and clipped together four small cylinders of paper which had already flopped out of the pneumatic tube on the right-hand side of his desk.

Question

what does clip mean in this sentence?

Then he unrolled and clipped together four small cylinders of paper which had already flopped out of the pneumatic tube on the right-hand side of his desk.

Answer

In the context of the sentence, Clip means to that the small cylinders were fasten, put together using a clip.