Someone must have hung them up so nobody would step on them and hurt themselves.

I think the question is, how could rick, who on a sprint can hit a walker in the head from 200ft, totally miss Negan high and left? Easy! He KNEW he could use the broken glass to cut his throat in the inevitable fisticuffs. Brilliant bit of misdirection and prognostication there.

You mean the “Let me open the gate to the chainlink prison so I can shoot one person who I’m relying on the prisoners to tell me the identity of when I could simply do it from outside the fence” kid? Because that’s what I call him now.

Like Murder on the Orient Express...oops...spoiler