In a move sure to please more than a few motorists, police in Tulsa, OK are testing new sirens on their patrol cars with a tone low enough to send vibrations through targeted vehicles and their occupants. It sounds strange, but as cars become more isolated from the outside world, it has become increasingly difficult for cops to grab the attention of wayward motorists. Locked in our motorized cocoons, a wailing siren just can't be heard over the din of cell phones, Sponge Bob and iPods.

This new and innovative (and non-sadistic) approach called the Rumbler is designed to blast a deep tone up to 70 yards away to alert drivers through vibrations in their backsides. The Tulsa police have three units in use, with three more expected within the next ten days. Law enforcement officials in Washington DC, New York, Pennsylvania and Florida are also trying the technology. Talk from the officers and the public indicates this apparently harmless approach works pretty well. If put into widespread use, it seems to us that the booty-shaking siren just could become the best part of being pulled over.

Follow the jump for video of the Rumbler in action and hear what the new sound of police sirens may soon be in your city. Thanks for the tip, Screwtape!

[Source: KTUL - Tulsa Channel 8 News]

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