Handy Method of Determining Fractional Aim Lines

For anyone interested in or dabbling in fractional aiming, here is a simple way of estimating the proper aim line.... At about a hand distance away from the ob the basic quarter aim lines are only separated by the width of a ball. At twice that distance the separation is the width of two balls, and so on... See the youtube clip for a better idea of what I mean.



https://youtu.be/C_lxXEFzCG0