Dually owners step inside

[JJorgensen52]

This question applies particularly flatbeds, but anyway

I've been using my dually a bit, which is a factory stake-side deck:


I drive on gravel roads off and on, and I'm getting pretty tired of the rocks pinging off the back of the cab.

Has anybody installed a half fender, like they use on semis? Something like this:


Hoping to see some pictures. Not sure if it will ruin the vintage look I've got at the moment, but it would sure be nice.