You know a knife is sharp when you cut yourself and see no blood for a few seconds and then it starts to pour out!
I have seen this a few too many times in my life, a symptom of "not the sharpest knife in the drawer" picking up the sharpest knife in the drawer.
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Impalements, anyone?
The owner of a restaurant I cooked at screwed a magnetic knife rack to the kitchen wall about chest height IN A TRAFFIC AREA, between prep table and dishwashing station.
A little after the rack was installed, T---a, a 15 year old highschool girl, our newest, youngest crew member was sweeping the kitchen floor when the inevitable happened.
She knocked the owner's 9" Henckel 5 star chef knife off that magnetic rack, achieving a perfect "center mass" hit to the top of her foot. Sharp knife. Heavy too, as German knives tend to be.
T---a was wearing a pair of cheap canvas tennis shoes with flat, thin rubber soles, standing on a heavy rubber anti slip mat. Knife went through top of shoe with blade parallel to the bones in the arch of her foot, sliding between bones. Penetrated completely through her foot and sole of shoe, stopped with tip stuck into the mat.
There was a lag before the crew realized her foot was nailed to the mat with that big a*s knife. Discussion followed on what to DO- Take her to the emergency room with the knife in her foot or pull it out?
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T---a got the hell out of that restaurant, went on to college, graduated from veterinary school. The restaurant closed for the last time about a year back. Restaurant owner (a legendary character) retired to the Jersey shore.
"And I only am escaped alone to tell thee"