I am so frustrated. I unboxed the cage and had to tear up the box to get it out, can't return it. Finally found the instructions which are just a very simple picture - doesn't even show all the parts, tell what tools I need, or anything like that. Very discouraged at this point. Is there anybody out there that has put one of these together that can give me some guidance? What are the little metal bars with a curve on the end and where do they go?