'Right Hand' in the Bible

She put her hand to the tent peg and her right hand to the workmen's mallet; she struck Sis'era a blow, she crushed his head, she shattered and pierced his temple.

And the three companies blew the trumpets and broke the jars, holding in their left hands the torches, and in their right hands the trumpets to blow; and they cried, "A sword for the LORD and for Gideon!"

And Samson grasped the two middle pillars upon which the house rested, and he leaned his weight upon them, his right hand on the one and his left hand on the other.