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Design your own YAKKAY bike helmet hat here
Its a unique honeycomb design that gives a very comfortable ride
Additional data which includes time-history plots for each full-helmet impact are available from FigShare Rights and permissions Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License ( which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made
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