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The H2O Comb (H2OC) would be used in a microgravity environment to help wash hair. The H2OC has holes in between its teeth to eject water directly onto the subject’s scalp, instead of floating all over the spacecraft. On the top of the H2OC is a water intake valve, which the user would snap an ISS water pack straw in to. This allows for a simple and quick hair washing experience. This will help astronauts with long hair, because they will be able to wet, wash and rinse their hair in a timely manner. The H2OC also features an ergonomic grip and needs no assembly after printed. View a demo of this comb at this link: https://drive.google.com/file/d/0B5GlQ57Cqd7kOFdlNDRuZjM5Tkk/view?usp=sharing
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