Hi, my second f-hole related post in a row...having found I got loads fewer feedback issues when I stuffed my f holes with foam, does anyone recommend/make something a little more sophisticated (ie as effective but not as rubbish looking)? I see they have some on Thomann but £55 + postage seems like a very costly solution for something that still needs you to cut it to size yourself. Decided against going mag as blocking the holes did the trick and I don’t have the cash to mess about with new ki