to get clear on what happened.. a fallen pin came out in front of the head pin. The rack comes down on this pin and sends it into the 1 -2 knocking them down?
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16-17 mph,350 rpm,PAP 5 1/2 x 3/8up, HighGame 300 x 3, High Series 782
Book Average 215 / 205,PBA Xperience ave180