Random_bike_guy

Hello All - I bought this bike, and disassembled it down to the bare frame, even took apart the rear derailer and shifters. Figured it would be a good learning experience. RJ The Bike Guy on YouTube was a huge help. Anyways, I committed the cardinal sin of disassembly and did not take pictures. When I put it back together, I was left with a few extra parts. 2 square like nut looking things that have 2 “ears” and a slight curve , then these 4 metal tabs with a bend. Any idea what those might be, where the hey go & how, and if they are necessary? New to the forum, and guess I am not allowed to upload pictures yet. If anyone knows a work around, that would be great. My descriptions are not the best, I know. Thank you in advance.