When you stick the bolt down inside the post with this wire, push it through a terminal hole,
hold it in place with your other hand and then push the wire in further to disengage it from
the bolt. Put a nut on the bolt it to hold it. This is a lot easier than it would seem.

Work with the holes from the middle of the center post and then toward the ends.
Step1 photo 12
Hex beam by K4KIO