And before you say that’s just a boomer thing, consider these comments from where I got it:

My Indiana elementary school in the early 80s too.

  • Doombot1@lemmy.one
    link
    fedilink
    arrow-up
    6
    ·
    16 days ago

    We used these in my elementary, middle, and high schools, and I went to HS in the mid 2010’s! And we did still do drills with them.