TOPS3 - TIERED OVAL PROCESS VERSION 3
Written by Joe Slowinski   
Tuesday, 02 December 2014

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With the re-launch of Bowling This Month, April 2014, I wrote about the new and improved Tiered Oval Process Version 3 thumb.  TOPS3 will improve your swing and release.  TOPS3 is a significantly comfortable thumb shape option as well.  The process is designed to create a more anatomically correct shaped thumb designed to avoid bending the thumb.

CLICK HERE FOR THE ARTICLE

TOPS 3 CALCULATION WORKSHEET 

CLICK HERE for the DETAILED OVAL CUT CHART

DRILL BIT SIZE to DIGITAL CONVERSION TABLE