How about letting us know what you used - so we can avoid it in future ?
I’m currently collecting parts and materials to mod my scope later this year and flocking and a dew cap are definitely on the agenda after reading this
https://www.cloudynights.com/topic/4...fle-mod/page-4
Although the photos near the bottom are of a very dark object against bright sky it remains relevant astronomically in the context of situations with extreme glare such as the lunar limb, or spotting a faint object near a very bright one such as Sirius’ Pup, or a 10th mag DSO near a bright star - and there are plenty of examples.