I would think, in my infinite ignorance, that cast-off should (ideally) always be like the one above.

Michael Yardley does mention that cast (at heel) in one direction can cause a gun to shoot in the other, as in Jack's AyA, so one could conclude that the way the Charlin is cast avoids this.

JC(AL)


"...it is always advisable to perceive clearly our ignorance."ť Charles Darwin