I never knew and got curious and looked it up. I guess it makes more sense than slamming your testicals against the wall.

  • HowAbt2morrow
    link
    fedilink
    English
    arrow-up
    3
    ·
    16 hours ago

    It used to be relative but the French have an underground chamber that has very precisely controlled environmental conditions to avoid shrinkage, ensuring exact depth of balls. It’s actually quite scientific.