[ WP ] You keep a trinket somewhere on you at all times , for good luck . Explain what it is and the reason for its significance .

One bullet, 9mm. He held it in his jacket pocket, his fingers holding the brass and copper in his fingers. 
 
 `` I drop it hard enough, it goes off and shoots the guy,'' he said. `` Not to kill, but probably enough to ruin his day. I learned how to do this on the range. Some guy taught me how to do this, taught me how to shoot without ever owning a gun. And I still keep it handy.'' 
 
 `` Why would you ever need to do that?'' I said. 
 
 `` You ever lose something of someone else's?'' 
 
 `` No.'' 
 
 `` I did. Ten kilos of cocaine, from when I used to run drugs at the border in El Paso. I knew it was a setup. I just parked the car and walked away. I did n't intend to retire just yet. I went to the car wash and had a burger. When I came back someone else was jacking the car, and I made like it was n't my problem anymore. They think it still is, but there's nothing I can do about it but practice and wait.''
