The functionality of this arrow has been implemented through a different system.
The "fast forward" button and the "proceed to next frame" button are now different. Unless anybody sees a reason to do otherwise, I'm going to be closing this suggestion as given an given an alternate implementation.
[D]isordered speech is not so much injury to the lips that give it forth, as to the disproportion and incoherence of things in themselves, so negligently expressed. ~ Ben Jonson
Current AAO Development Priority: Issue #94: Grayscale Mode