Sometimes I see what looks like window blinds- in front of a person, my phone screen or just when I’m looking out into the ether at nothing.
They appear like dark shadows that run horizontally, like window blinds thst are open with blank spaces in between. It’s smaller than a window blind, but spaced the same as if you opened them so that they are parallel to floor.
Yes I’ve tried asking and looking, but haven’t found anything remotely close.