when using the pen tool hold down the alt or option key that gives you the convert vertext tool
tt
From: "Louai Abu-Osba" <me@louai.org>
To: "After Effects Mail List" <AE-List@media-motion.tv>
Sent: Tuesday, February 5, 2013 1:05:52 PM
Subject: [AE] the G key
A coworker wonders, and I have no answer: so, in CS6, pressing G only cycles through two of the pen tool options, the default pen and the feather mask vertex tool. How can I get the convert vertex tool to cycle with the G key?
-louai