“Angular acceleration” and “rotational motion trauma” might not be dinner-table talk, but in racing circles such terms keep brains whirring day and night; after all, riders are the sport’s greatest asset. Wearable airbags, once the butt of jokes, are now mandatory in MotoGP, Moto2, and Moto3. Beginning this year, helmets used in MotoGP and World Superbike competition must pass new FIM homologation requirements. Only designs that meet current ECE, JIS, or Snell standards may be submitted for testing. And yes, oblique impacts are part of the Swiss sanctioning body’s certification protocol.