A noisey stabiliser is caused by greasey/rusty towballs wipe the ball with a clean rag then degrease with brake cleaner then rub over with course emery cloth.
We tow caravans around our yard every day and never put the Al-ko handle down and have never lost one yet ,the tongue that snaps under the ball holds it on not the friction pads...
To get over the problem of 4x4 spare wheels just remove the Al-ko handle and use it only to engae and disengage the pads,you can even spend