Gordon,
One benefit to the direct mentod is that you don't have to deal with bubbles between the overlay material and the film, so it simplifys that a bit, and it reduces the number of layers/interfaces that need to be clean, etc.
I don't use a dam. It doesn't take much liquid to do the mounting or cleaning, so I don't have any problems with the liquids flowing around. There just isn't any to get out of hand as long as you use an appropriate amount.
The Prazio kit and the other Prazio products come with nice squeeze bottles that put out a nice controlled amount of liquid. Highly recommended for this use. No chance of spills.
---Michael
---Michael
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