. Top Log in or register to post comments June 0, 0000 - 0:00pm #000 Elk Offline Last seen: 0 year 0 months ago Joined: Dec 00 0000 - 0:00am Re: Perception Quote: The Brilliant Pebbles have many relatively sober customers saying they improved the sound of their audio. But they could also be used to hurl at people you don't like. For the price of the pebbles, I would have to really not like these people. 