BB, it is clear that you are the resident expert on the Materials Room and its varied nodes, and you show admirable generosity with your work. But it is also clear that you dont have much patience for a rank amateur in this field, like me. I must tell you I was pretty happy just getting your stocking shader to work--and to play around a bit with those nodes, trying to figure out what they did--quite amazing, they are--and I was hoping there would be an easy way to drop a mask into the business. I did go over some of that earlier work you showed, but much of it was simply baffling. I dont even seem to have all of those nodes you used. Or are they re-named somehow? Anyway, I'll go back and spend more time with them. Maybe I'll make progress. Just playing with this stocking shader of yours was instructive.

If I have more questions, I'll  post them again. But perhaps it would be best if you just ignored them, at least until I reach a higher level of understanding. Then you can toss your complex subtleties at me and I might actually get them!

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