Rob Reiter at http://www.lightroom.com/ showed me some masking techniques a few years ago when we were working on a small Ilfochrome project. He's doing mostly digital now, but I wonder if he's got some masking stuff still around.
Shel > [Original Message] > From: William Robb > Sadly, Kodak discontinued their Pan Masking film before I was able to secure > a lifetime supply, and I haven't found a suitable replacement yet.... > I read a really interesting masking method using cleared Tri-X Pro sheet > film (it has a retouching tooth that can't be beat) and a series of soft > artists pencils and the like. > Haven't tried it yet, as I haven't had my darkrom for a few years now (GAWD, > I miss my darkroom). > > William Robb >