It's especially confusing because 3M does make almost every thing under the sun, from respirators to electrical tape to medical equipment and supplies. No locks as far as I can find though.
* other brands of very sticky strong tape are available.
Do likewise at the bottom edge, adding a seal to the floor / carpet. Don't be frugal (these are drunk roadies in full prank mode)... use your imagination ;)
See page 64: https://www.austinpowder.com/wp-content/uploads/2019/01/The-...
Not explosive in and of themselves, but a component in modern industrial explosives. As a sensitizer and a density modifier.