http://billyscrashhelmets.co.uk. What exactly is SHARP crash helmet testing? Well in this video officially filmed by SHARP themselves, you can see why and how crash helmets are tested to produce a stringent and uniform helmet test that allows us punters to compare the safety of different helmets. For more information on the SHARP test visit our website at http://billyscrashhelmets.co.uk/all-a… where you’ll find reviews of pretty much all the currently available high-scoring (i.e. safetst) crash helmets available today.