Screens?

[ETGsynth]

Does anyone know anything about the screens bands put in front of there amps on stage?

What they're called? What they're made of?

[Alex_Burton]

They're called scrims. http://en.wikipedia.org/wiki/Scrim_(material)

[rawkandrowl]

what are they used for?

[SD_John]

http://www.eloquentcreative.com/customscrims.html