But I looked up from my safe place on the ground and I could see that I had removed the mounting bracket from the box . I needed that bracket . So what did I do ? I looked in all of those other places again .

Question: What will you do if you can not locate and find the bracket ?
Answer: I will go to the hardware store to find a replacement pieceI will find a means to recreate the bracket myselfI will try to forge a bracket from some left over metal I haveNone of the above choices .