the tape works great and very light and easy to carry with you....
I use two chairs at the facility on each side taped off like a crime scene only when needed for a wild NH dance audience lol..
... it may be necessary but I bet it does WONDERS for the look of your set-up ...

I think it is interesting that I have seldom had the problem when playing solo with the KB, but when singing with the female vocalist it has happened a few times that people have come very close to the equipment ... obviously, she is more attractive than I am ...