| 摘要 |
An air flow adjusting rear member of a helmet comprises a top portion for suppressing negative pressure generated at a back part of the helmet and is removable from the helmet by using adhesive element for fastening the air flow adjusting rear member to the back part of the helmet. The air flow adjusting rear member is made of thin resin for enough plasticity and elasticity to modify its shape in accordance with a curved surface of the helmet.
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