The Detroit Lions lineman is backing a new device that attaches to a player's chin strap andnmeasures the force sustained during a hit.
If the force is strong enough, the device displays a warning light that suggests a player should be evaluated by a doctor.
The device is designed by an Omaha company called Battle Sports Science.
The company says its new concussion indicator will have limited availability in 2011, but it should soon be available in sporting goods
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