i've played with this idea off and on for brevets...
after a few 3d models and sketches never came up with a workable, easy solution...
went back to an aloksak and a home brew cue sheet holder bent out of a fender strut:
![](http://lh5.ggpht.com/mike.beganyi/SL_mlg1_7NI/AAAAAAAAF5M/y0vaAkGVMBI/s912/IMG_5406.JPG)
![](http://lh6.ggpht.com/mike.beganyi/SL_mtZuFHYI/AAAAAAAAF5s/3Ey55h_eALU/s912/IMG_5271.JPG)
i've always wanted to try
this one, or make a smaller one:
![](http://www.touratech-usa.com/shop/media2/01-020-0020-01.jpg)
but trick is balancing weight / cost / bulk / waterproofness / complexity to use, change when tired / cold / etc. - as well as being able to add notes or minor changes to the route...