tall women
and
umbrellas, anyone
and then there is this product, that actually has a patent for it..
Sound Muffler for Covering the Mouth (US 4834212)

Meet the "Sound Muffler," a device into which a person may yell or scream without disturbing others, allowing him to vent built-up anger and frustration. The interior of the muffler is coated with foam. A microphone can be included to pick up a some sound and activate a light display or meter giving the user immediate visual feedback as to the intensity of sound produced.
this is all cool stuff i will dream about tonight when i go to bed.
nighty.

