Would be incredibly difficult. The only way I think its remotely even possible without the screen prompt would be double sided signs held up on both sides ... one for the keep..one for the pounding.
Only thing I could logically think of that would get it cut would be Covid. The plosives and sibilance...The amount of spit flying from "K" and "P". In a crowded space with that many mouths opening in unison might be problematic considering the current situation.