I bought a piece of 1.5 inch stiff foam to try to fix a sag in a bed. It didn’t work but having that thick piece of solid foam around has been a life saver.
Need something flat to put a laptop on? Throw it on the foam. Going to be doing something that requires you to be on your knees for a while? Get the foam!
It went from stupid purchase to something I’d gladly replace if it broke.
I got a LED bulb before it was cool, the thing is immortal and also barely gets warm. Made in my country, not by some planned failure corporation. I wish it was still possible to buy from them, butirt’s not