I just found this practical demonstration video about double speed bumps on r/notJustBikes and while I have many feelings and thoughts on the matter I think it makes for really good entertainment:
https://www.youtube.com/watch?v=KtvGswQLxjU
#fuckCars
https://www.youtube.com/watch?v=KtvGswQLxjU
#fuckCars
Speedbumps Part 1
As always just clips of people completely blowing through marked speed bumps in one location.YouTube