Endpoints-of-rope-parts-directionality-linears-part3-compound-point-only-changes-with-input-direction.  The compounding point of a 180 arc in rope that gives 2/1 pulley effect and best Nip position in knots, is because is initiated by linear force directional.  Thus is not seen in Binding that uses internal radial force source thru rope, but rather Hitching and Bending of linear input.  Thus, the only way to change the position of the compounding point is to change the direction of the input force to the 180 arc.
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