If Addie has a friend, maybe she can work you into a frenzy and then start a hand job. Just as you begin to cum, her friend could come in and start to tickle you right thru your orgasm ... and even a little after with Addie tickling your sensitive head.
And shoudn't turn-about be fair play? If a girl can been teased with a vibrator during a tickling session, why not give a guy similar stimulation? Getting tickled by one girl and stroked by another ...