Hat With Built-In Solar Powered Fan Sure to Keep You Cool…if You’re Brave Enough to Wear it in Public

It looks like it’s going to be another hot summer here in Japan and as the country calls for voluntary power cuts to cope with post-March 11 shortages, the Japanese people are using their head to come up with eco-friendly ways of keeping cool.

And we mean literally using their head: net retailer Rare Mono Shop has started selling a baseball cap with a solar-powered fan built into it.

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