I had Covid last summer right before I found and started NLP; was still trying to use a basically typical bodybuilding program for strength. Anyway,...
Your best and safest option is going to a local steel supplier and buying some 3/4" solid steel rod from their scrap, and have cut to whatever length...
LOL, that's true JJ, but that would mean I'd have to join those forums and sites and I don't want to do that or give them my email so they could try...