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spc alpine edge helmet design giro_00012229.jpg
spc alpine edge helmet design giro_00012229.jpg

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    Can high-tech helmet save your life?

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Can high-tech helmet save your life?

CNN's Christina Macfarlane looks at the latest developments in helmet design.

Can high-tech helmet save your life?

CNN's Christina Macfarlane looks at the latest developments in helmet design.