Rewind Alpha

Instructions:
Grab the red triangles to move the tape faster.
Grab the green triangles to rewind the tape.

I must warn you, this "game" lacks a winning condition (and lots of other things). But I spent the whole week working on it and I tought I might as well share it. Hope you have a little fun with it and any suggestions on things to add to make it a worthy game are hugely appreciated.