That Ain’t A [Sharp] Knife, Mate, THIS Is A Knife!

This one’s as much for my reference and edification as it is for y’all’s: Knife Sharpening Tricks. Looks like I need to snag a whetstone or two and take a run at that cutlery rack in the kitchen…
(For those of you that haven’t visited The Instructables before, it’s a very useful source of collaborative visual HOWTOs featuring flame cannons, stencils with “islands”, and flaming whips.)