Hermann
Well-known member

That's the idea, and that's the way the Monostat foot works as wellLooking at the cross-section there is friction between the foot and the part that attaches to the bottom of the monopod which will inhibit twisting.
I think that is a 3/8'' thread, and many reasonably modern monopods actually have such a thread to allow attaching different feet to the monopod.One issue may be finding a monopod with a matching female thread other than a Leofoto monopod.
Hermann