Think of it this way..... A 500mm strut runs from the bridal to the spin pole. The pelican (Not Wouter but the other pelican) striker is effectively an extension to this strut, running down to the pelican striker wire. The pole is very ridged in the vertical at mid pole distance and is held secure from horizontal movement by the lower bridal lines.

The pole tip is normally supported in the vertical by the bow lines, however they are not very efficient in the vertical due to stretch and the angle they run. They are very efficient in the horizontal though.

The addition of the pelican striker will greatly assist the support of the pole tip in the vertical by supporting it at to pole base, mid way and the pole tip.

Back to skool Wouter
May I suggest sailing skool first though.