[stardek]

There may be a different video but [1] by Steven Bridges is similar to what you describe. It's not very scientific but he interviews several groups about their preferences between a very similar trick being perform with sponge balls vs with casino chips.

[1] https://www.youtube.com/watch?v=puEcPpRqdx8

[dkersten]

Ah, maybe this is the one I was thinking of and I misremembered it a little. It certainly looks familiar.