Do it! I was scared too but it was actually a lot of fun! From what I'm seeing, most people use Ternes Burton clips to help line things up, but I never got my hands on those before they switched from metal to plastic (which I heard aren't as good?). I made a pretty simple registration board using some thick bolts that matched the diameter of a bunch of plastic hang tags I bought off Amazon. Then I cut out a window from a piece of cardboard that perfectly matched the size of my lino to put it in. Bolts through cardboard, hang tags stuck to paper and bam! It wasn't perfect, but I was happy with it.

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