How to sharpen knives like a professional

Great tips.

I now use a stone to sharpen my knives, but have always did it under a running tap.

I'll try it just on the bench with a pre soaked stone.

My issue is I don't know exactly what angle I'm sharpening at.

I've tried a handheld sharpening device once. Not only did it damage my knife, I also slipped and cut my finger.

Needless to say I went back to a stone.

I know a few chefs that use a cork from a wine bottle and tooth paste