A pressure sensitive car horn.
Lightly tap it to get your walking friend's attention, bash it hard to blast that guy who slams his brakes in front of you.-- DesertFox, Dec 27 2005 I thought this idea was what mine was, but found it wasn't proportional_20honkingso I posted it. Thanks [jutta] for inspiration [DesertFox, Dec 27 2005] Similar 2_20tone_20horn [Ling, Dec 28 2005] What to highlight? Double_20Entendre_20Splitter [ConsulFlaminicus, Dec 28 2005] There was another user who posted "Analogue horn", if I am not mistaken. He may have deleted his account: RIP Ash Simmons.-- Ling, Dec 28 2005 He shouldn't have deleted it, its's a great idea. Bun because it's simple, bakeable, and really useful.-- Pac-man, Feb 07 2006 random, halfbakery