Click here to move the helpers from one corner of the object to the next one. This movement could be in a clockwise or anticlockwise direction.

Click here to move the helpers from one corner of the object to the next one. This direction of this movement would be the opposite of the movement generated by the previous button.

Select the checkbox to allow the movement of the helpers only on the points of a curved edge. The default movement of the helpers is 'out'. In order to navigate within the sub-segments of a curve, the checkbox must be marked.