If you wish, properly fix the ends of lines and avoid so the potential appearance of knots at the end of the longest of your lines.
Advantage:
Obviously optional but + 50% of kiters meet this problem which unbalances the wing and halves the line resistance.
These knots, once tight, can be difficult to remove without damaging the line.
I can only recomand to roll the longest one passing it trough the locking notch like on following picture:
