You place a EZ link card at the front of your wallet and a EZ
link card at the back of your wallet.
When you go somewhere else,use the front to tap the EZ link
machine.
When you arrive at your destination,use the back to tap the EZ
link machine.
When you want to go home,use the back to tap the EZ link
machine.
When you reach your destination,use the front to tap the EZ link
machine.