Step 3Make some holes!
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Lay down your under-sheet and then, making sure they are aligned properly, your stack of insides. Place you non-dominant hand on the stack around your hole marking. Press down and keep pressing, this will keep your stack from shifting. Protect the part of your stack not shielded by your hand with your cover sheet. Place the hole punch over the hole and hammer away until you've gone all the way through. This can take quite a few hits, so be patient.
*Note* If you're making a cover with visible rivets, you can make the holes in that as well by adding it the the bottom of your stack. If you're doing this, skip the next step.