The Plume is a folding fender which saves your back from being dirty while cycling. It works the same way as rolled tape measures, you might have used one. The Plume is made of sprung stainless steel with flexible silicone rubber on edges. When folded the plume logo on the back acts as a reflector for nighttime visibility. Plume slides on standard seat posts. When the streets gets wet,all you have to do roll out the Plume and keep riding.
Available at plumemudguard.com for $35