Here is a very poor picture. [img]
http://www.autozone.com/images/cds/jpg/small/0900823d800bcc54.jpg[/img]
The brake shoe hold down spring cup has a slot in the center. The hold down pin will go throught the center of the hold down spring and retainging cup then through the slot. Then the retaining cup will need to be rotated 1/4 turn to lock in place.
I would suggest that you go to your local Auto parts store and ask to see either a "break down" diagram of a rear brake set up or a standard rear brake hold down kit. Then you will get a better idea of what is going on.
Good Luck
