'Right Hand' in the Bible

She put her hand to the nail, and her right hand to the workmen's hammer; and with the hammer she smote Sisera, she smote off his head, when she had pierced and struck through his temples.

And the three companies blew the trumpets, and broke the pitchers, and held the lamps in their left hands, and the trumpets in their right hands to blow with: and they cried, The sword of the LORD, and of Gideon.

And Samson took hold of the two middle pillars upon which the house stood, and on which it was supported, of the one with his right hand, and of the other with his left.