The stage may look calm from the audience, but behind the curtain it is a place of fast moves, low light, and tight timing. A single missed step can cause injury or stop a show. That is why spike tape theatre markings play such an important role in keeping performers and crew safe during rehearsals and live shows. https://www.zupyak.com/p/4861548/t/how-spike-tape-theatre-markings-improve-stage-safety