A differential explained

[Pistol Pete]

Old and campy, but does a good job of explaining a diff. Sorry, but the last few minutes are cut off.
[video=youtube;F40ZBDAG8-o]http://www.youtube.com/watch?v=F40ZBDAG8-o&feature=player_embedded[/video]

 

[MarPar]

firm, constant, contact...that's what she said!!

I like it Pete. simple and to the point. ya dont have to have a bunch of extra crap to explain it right.