Magnetic stripe has a member number that is read by swiping the card and verified through a database. The information is encoded on two of the three tracks on the magnetic stripe. The new cloned grocery card appeared identical. Would my new cloned King Soopers card work when I went to the self-checkout kiosk? It was time to find out. The information on the reader appeared identical. But the proof was in testing. It worked! And it worked!”]