![](https://s3images.coroflot.com/user_files/individual_files/382561_fmXJhi7zz9sgZ5EjHp3VF8Xug.jpg)
Original concept
![](https://s3images.coroflot.com/user_files/individual_files/382561_W4mt_FdLkqHCu5M2fFcJYniTa.jpg)
Sketch showing air flow pattern
![](https://s3images.coroflot.com/user_files/individual_files/382561_Z7vJboY0ZIgNRNsh4z3Oesisk.jpg)
![](https://s3images.coroflot.com/user_files/individual_files/382561_7nMGAsHCZfYxn540NbUvdoFb8.jpg)
Variation, trying on a half helmet
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