Step-by-step guide

Following these steps will ensure a proper fit 

 

 Warm up the hand, massage/bowl 

 Measure the MIDDLE FINGER 

 Measure the THUMB FLEXIBILITY 

 Measure FINGER and THUMB hole sizes 

 

 

 Constants to fill out on the spec sheet 

 

 Before starting the measurement, you can already write down some data on your spec sheet.

 

 Bowler Hand (Left or Right) 

 Bridge of 3/8 

 Lateral Pitches of 1/4 (middle) and 5/8 (ring) 

 Ring Finger measurement will always be +1/8 from the span measured on the next step. 

 

 

 

 

 

 

 

 

 Mark the bowler's hand with a pen 

 

 Mark the MIDDLE FINGER

 

 Find and mark the bending point of the SECOND joint. 

 Measure 3/8 under the joint, draw a line. 

 Use this line for your measurement. 

 

 

 

 

 

 Using the fitting tools 

 

 BT Ball Fitter 

 Innovative Fitting Ball                                                Prendre un photo avec le bal fitter pour montrer where to measure ?? 

 

 

 Evaluate the flexibility of the thumb. 

 The bowler's hand must be relaxed.  

 

 Pull back on the thumb to measure flexibility. 

 Follow the chart provided for the correct pitch based on span/flexibility 

 

 give a link to the chart ?? 

 

         

 

 

 Complete your Fitting Sheet 

 

 Finger Pitches 

 

 

 Use the same pitches as what's in the thumb.      Ex: Span: 3 1/2 ,  flexibility: 120 ° = 3/8 forward 

 

 

 

 Hole Sizes 

 

 - Select a hole size that... Fingers easily passes through up to but not including second joint              même chose pour le pouce ? 

 

 

 Not sure ?    When in doubt, reduce the hole by 1-64 inch. You can always enlarge the holes.