Currently I have a camera bean bag filled with polystyrene and I find the sound quite loud and annoying, especially on a safari. I don’t believe that the sound is distracting any wildlife, but it is distracting for other attendees. Sitting in complete silent, enjoying the wildlife and nature and always hearing some rustle.
I know people are using rice but it can get heavy. I also heard that buckwheat hulls are a lightweight alternative, but I never used it and therefore I don’t know how loud it is.
So, my question is, what lightweight silent option for fillings are there?