Where can I get a replacement marker for my Titleist cap?  The wind was blowing hard the other day when I was playing.  I was on the fairway (right side rough, to be exact) hitting my 3rd shot when the wind caught my cap and blew it 30-40 yards behind me (could have been a 100 if I didn't run after it).  Next thing I know when I was on the green to mark my ball, I couln't feel the marker on the brim of the cap.  The marker fell-off when the wind blew off my cap.