Thats wrong. The entire thing doesn't cross link. Vulcanization increases the polymer chain lengths until it crosses into being more of a solid. Polymers are like big balls of spaghetti and longer noodles make them more solid.

Wow, that's an exceedingly fun fact!

I would like to subscribe to more fun facts.

Now that's cool.

It's an 8 man menstrosity.

...it's a real menstrual cycle.

Skookum, one could say

Hindsight is 20/20. For all they knew everyone would be riding around in huge tricycles... I see you point.

With a hand brake and all!