What do you do for good luck when bowling?

Some people do different thing in bowling for luck and sometimes those things work. I have seen people wear their favorite team shirt or hat when bowling. I have seen people bring their boyfriend or girlfriend to the bowling alley and they feel that they can bring them luck. My wife nick name at the bowling alley is lady luck because I tend to bowl better with her there. You just have to find that one thing that can bring in some luck if you need it. Sometimes I wear a Kobe Bryant jersey for more luck since he is my favorite basketball player.