Totally agree that it works on the yellow and much less on other colours.
Definately a marmite mod but I think the application on the yellow peril works well.
Everyone is entitled to their opinion.
Mainly done cos I hate that fly eye stuff as it reminds me of back in the day mods of nicking ya mums old tights and wrapping your lights in them to “tint” them lol. Ah old school days. Memories