You need the python language from www. In the gui, you enter: first bit second bit oval big diameter angle Now click the calculate button and the back and side press moves are shown. The angle is from the grip center line to the oval long axis as measured on the side of the thumb opposite the finger holes. If you leave the "second bit" blank, it is assumed you are using one bit. No liability can be assumed by me for the use of this program.
James Henry — February 22, Your email address will not be published. Save my name, email, and website in this browser for the next time I comment. A part of your purchase will be given back to the sport of bowling through our support of local, regional and national events across the United States. We thank you! We are an authorized dealer for all of the brands that we offer so that you can rest assured we will stand behind every sale. Our friendly, experienced staff of REAL bowlers are knowledgeable in the products that we offer and are happy to answer any questions you may have.