Things you do not do with backpacks:
1. Hide inside them when in danger.
2. Drag them around with you literally everywhere.
Things you do not do with shells:
1. Put books/school supplies etc in them.
2. Take them off when you get home from school.
3. Write “Team Edward” on them in perminanent marker.
4. Grab them by the (non-existent) straps and swing them at people when you want them to get away from you.
5. Buy them from Target or K-Mart.