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The R3 Head and neck restraint device is a device for protecting race car drivers in the event of an accident by controlling head movement, reducing head and neck injuries due to whiplash. It consists of a carbon fiber cross which is worn like a vest. The cross goes against the drivers back and Kevlar straps hold it on. These are clipped at the front. The top of the cross has straps which attach with clips to the helmet. The R3 has passed SFI 38.1 testing and has some of the best angular impact test scores of any Head and Neck Restraints. It hasn't passed the FIA test because that test can only be passed by a HANS device. ==External links== *(LFT Tech, manufacturer of the R3 device ) *(Trackpedia article on H&N restraints ) *() 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「R3 device」の詳細全文を読む スポンサード リンク
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