Sedef Aydogan’s Blog


Bike accessory leaves a trail of chalk behind you
March 22, 2009, 5:09 pm
Filed under: product design | Tags: , , , , , ,

“Contrail is a device that applies chalk to the rear tire of your bike, leaving a trail behind you. It leaves trails for motorists and other cyclists to see. I’m not sure where you can get one or if it’s even been physically realized, but I like the idea.”