Step 4Stack and Drill
Mark where you are going to drill the holes, and put a some small marks there. Put the clamps right below the drill spots, to reduce vibration and provide a cleaner hole.
With everything in place, drill some small holes in the designated spots, through the paper and all. Then take a bigger bit, and drill a hole big enough to give your chain links just a little room to move around. The purpose of the smaller hole is to act as a "pilot" hole, and make sure that when you drill the big hole, the drill bit goes where it's supposed to.
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