Kent & Masters Competition Series Dual-Flap Jump Girthing
The saddle fitter will begin by girthing in the neutral position using the 1st and 3rd billets
If the saddle is moving back, the fitter will use the 2nd and 3rd billet
If there is a lot of backward movement, the saddle fitter will move the last billet to the balance ring and use the 2nd and 4th position
In the cases where the saddle is lifting at the back, there is asymmetric movement, or where extra stability is required, the saddle fitter will use the 1st and 4th position