After being inspired by this thread I've just bought a Hirsch Ayrton strap for my U1 SDR. Been wearing it on a selection of Maratc Zulus for the last year and the Ayrton really smartens it up. Thanks for all the photos :-D

face strap4 by subZero rider, on Flickr

face strap1 by subZero rider, on Flickr

face strap by subZero rider, on Flickr

Caseback strap3 by subZero rider, on Flickr

Caseback strap by subZero rider, on Flickr