John Galloway wrote:
It means exactly the same rudder direction you apply
in any other, non spinning, yawed condition (how could
it be otherwise as the string doesn't change its mode
of action in a spin?). The front end of a yaw string
is stuck to the canopy and if the loose end is pointing
left in a spin you apply apply right rudder.


Are you sure? Imagine a flat spin. If the loose end is pointing to the
left, doesn't that mean yoiu are spinning to the right? So don't you
want left rudder?