On Sun, 28 Apr 2013 14:38:40 -0700 (PDT), gary
wrote:

To connect the two ends of a loop of wire, I bought a package containing 2 ferrules and 2 stops.

I know how to use the ferrules but how are the stops used?

They package this stuff together because they are two inexpensive to
sell one per bag, but that doesn't mean they are used together.