"JoeSpareBedroom" wrote in message
...
If you know how, it's safe. If you don't know how, it's not safe. Simple!
If you don't know the right way to use and maintain a chef's knife, you
can end your piano playing career. :-)

I know how to use a chef's knife but still can't play the piano. What am I
doing wrong?
(I can't sing either)