How do I circle a hex on a macbook?

[Bruce Stevenson]

I want to show my opponent the hex that I'm focusing on. Instead of giving it's alphanumeric hex code, I'd like to circle it. Is there a keyboard command or other way of doing this?
thanks

 

[zgrose]

Control-click for the "this guy" circle.

 

[Bruce Stevenson]

Fantastic. Thanks again.

 

[ErwinLanglois]

I still use my girlfriend's red lipstick...

She call's it the 'this girl' circle...

And for concealment gains I use her silk black stockings...

Oh wait... That's for another game...