Quote Originally Posted by Troy Ammons
. I had a big Giottos and it was very heavy duty and stiff, rated for 26# but you could twist the neck and get movement.

If it's like mine I'm going to guess you didn't have the centre column raised at all. On mine you need to raise it 1 or 2". Something like that. Tighten it like that and it doesn't move. OTOH keep the centre column down and it does move.