i have used the "z" bend and the 90 with nylon lock
making a z bend is not that hard
i unscrew the servo horn so it it only "stuck" on not screwed on, then power on my radio set the trims at 0 then attach one zbend to the control surface
the other i do not bend yet i hold the wire on the servo horn (where i might want to zbend it) while moving the tx stick and checking the throw, most of the time it is not what (e.x. i like to have more up elevator then down) so i adjust the servo horn (manual not on tx) and try again. once i get what i want make a 90 bend put it through the horn make sure it is what i want. then make the second bend or add the lock then screw the servo horn in and make the final adjustments on my tx

hope that makes some sense

this works w/ electrics, i ordered a 40 gasser and will try this method when i get it