Right now these are the only two choices asked if a gal allows CIM.

There is a third that I've experienced that I enjoy very much, and that is when a gal dribbles the cum onto her breasts and rubs it into her skin.   I think that is extremely erotic and gals who do that should be acknowledged for this rather than have a prospective client think that she spits it out into a rag or tissue.

Snowballing is another option that sickos like me love, and that should also be an option to list.