WiillFly - see you one and go you one better.

Imagine a public secondary school (ages 14-18) talent show night.
The young soloist is hand holding the metal screened mic without its foam cover. Her teeth braces touch the mic and become enmeshed.. She falls into convulsions on the stage as the electrity flows...and flows and flows.   UGLY and no parents in the audience.

Sincerely,
Gargoyle

small>The foam covers are invaluable to help the performers and sound man keep the channels straight