What chumrah or ban would you like to create?

Thanks to Rachmuna Litzlon (the OTDer Rebbe) we can now create legitimate chumras and bans to our hearts desire. I’ve always wanted to ban vegetarian cholent, children singing anim zemiros,and Asian women from driving. Now I can do that and so can you. Now that I think about it, I can finally put myself in cherem and make it look for real, cherem would probably be great for my advertising clicks and then some folks will finally take me serious.
Chumrah or ban document