What is the opinion of Reddit about the
Krisler Adjustable Threaded Bed Frame Anti-Shake Tool for Bed, Headboard stoppers, Bedside Headboards Prevent loosening Anti-Shake Fixer, 4pc, 30-112mm, Easy Install?

I’m not sure why this is downvoted, bed movement is a legit concern. IMO it’s one of the primary reasons people even want sound proofing.

And my guy, I’ve got something for your specific scenario: https://www.amazon.com/dp/B081X69NFT/ref=cm_sw_r_cp_api_glt_i_MMXGSJ1MEPZXFH1Y2NWR?_encoding=UTF8&psc=1

A bed spacer this has saved from hitting the wall so hard and keeps the bed from moving and squeaking all over the place.