3. The nail on a verge of lid prevents it from wiggling along and adds friction against unwanted opening inside the pocket :)
4. He said that the cardboard cover doesn't live 5 minutes in the pocket, so it'd really cool if you just take the entire plastic cartridge outta and put it right in the box and carry with you to the forest.
5. I particularly confident about nail-hinge and how cool it works.
7. Entire model row