Step 5: Glue and Re-Glue
Once you’ve cut your compartment, it’s time to apply a generous layer of glue to the inside edges of the void. While you’re at it, might was well re-apply a thin layer of glue to the outside of the pages as well, more or less repeating Step 2.
Once again, place your weight on top of your book and allow it to dry for the recommended span of time.