/**
     * Create the exercis using all the rings in scene
     **/
    public void createExcercise()
    {
        //TODO randomized (just for the lols)
        int starterPin = 0;

        //pin references
        foreach (Pin pin in pins)
        {
            exerciseManager.AddPinReference(pin);
            pin.SetSelection(false);            //removing any selection from the pin
        }

        //ring references and positioning
        for (int i = rings.Count - 1; i >= 0; i--)
        {
            exerciseManager.AddRingReference(rings[i]);
            exerciseManager.AddRingToPin(rings[i], starterPin);
            exerciseManager.PositionateRingOnPin(rings[i], starterPin, (rings.Count - i));
        }

        //Pin where the exercise start
        exerciseManager.starterPin = starterPin;
        //Pin color hint
        pins[starterPin].SetSelection(true);
    }