That sounds a bit racy! If I ever have to say that, someone is looking at a slapped face.
No,no! Captain Hook was asked that at least five times a day.
(He only got slapped following 'Where is your hook?')
I'm still trying to think of a harmless situation in which this could be asked. :-)
Close up magic? Trying to keep an eye on both hands?
My mind went immediately to the Tenth Doctor.