Pencil scratching repeating effect for a game

We are creating an iPad game where a player can scratch an item with his finger. While doing that we would like to have some pencil scratching sound while he is doing the scratching action. I need a professional audio guy to work with the programmer in creating that realistic scratch effect. I have the following clip for you to work with. Programmer mentioned something like a pseudo sound effect that will play the same at any point of the clip as he would like to program the sound to keep repeating. [login to view URL]