ACTIVITY: He who has no SIN cast the first stone. MECHANICS: 1.) All stone must be clean and smooth. 2.) All stone must be no larger than a thumb. 3.) Only one stone per person must be cast to the SINNER. 4.) The distance between the one who will cast the stone and the sinner must be at least 10 meters away. 5.) Should the one who is casting the stone fail to hit the sinner, the stone he cast can be thrown back to him.