In negotiations, having the upper hand gives you an advantage.

He has the whip hand in the company.

I can't think of the answer off hand.

He amazed the audience with his sleight-of-hand tricks.

The hand-written letter was beautiful.

He wore a four-in-hand tie to the party.

Please make sure your hand luggage fits within the specified dimensions.

I prefer to hand-carry fresh fruits and vegetables from the farm.

He is a master-hand at playing the piano.