My "Golden Ball" really was a golden ball when I got it several years ago. Now it is 10 inches tall and, for the very first time, is growing pups. Sorry guys, on the shady side of the cactus, not the sunny side.
I don't rotate but this Parodia has enough mood swings for a whole bevvy of fussy females.
If yours is like mine, staking would not work because this cactus really does MOVE.
I have noticed that a cactus with an injury grows.... pups? arms? I have an old Ferocactus whose center hallowed out years ago (thus losing its growth point) but, grew a brand new cactus off the edge of the hole.
I would post photos but, for some reason, I don't have internet on my "smart" computer.