Sky Writing for Your Bike - Bike Hugger

Sky Writing for Your Bike

by Jason Swihart

April 8, 2009 · 9:35 PM

2

Contrail is a notional device from designer Pepin Gelardi for turning your bike into a chalk line. Some have suggested practical uses for the device. But I think leaving messages for our alien overlords is the potential “killer app.”

2 Comments

Little Tiny Fish

April 9, 2009 · 5:52 AM

It’s too bad this is just a concept at this point. I would be all over that. I’d love to see what kind of trail Critical Mass would leave.

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DL Byron (old)

April 9, 2009 · 7:42 AM

We [posted on this earlier](http://bikehugger.com/2009/03/bike-contrails.html) in the year and I wondered about chalk dust issues, like the TOC.

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