Answer:
Just head and foot yet never tires of dancing.
The man who invented it doesn't want it. The man who bought it doesn't need it. The man who needs it doesn't know it. What is it?
The sharp slim blade, that cuts the wind. What is it?
I can be short and sometimes hot. When displayed, I rarely impress.
When can someone truthfully tell someone βwell doneβ but think they did a bad job?
Dry though I may be, I am still a sea.