Discussion
As I've said many times on these pages, our house is tiny?
Consequently, the attic is small and cramped.  So when I wanted
to pull some CAT-6 cables for adding cameras etc. it brought on
some serious thought. 
Our house has a 20' wide projection in the front, and I wanted
cameras on each outboard corner.
There is a disappearing stariway which goes up into the middle
of this section.  The main problem with that is, in the attic, 
beside the disappearing stair, on the side toward the front of
the house, is our AC unit!  
When I stand at the top of the disappearing stair, it is 12' to
the front gable.
The AC unit, with it's input and output ducts, pretty much covers
the 20' width.
I'm old and fat so I don't maneuver well in tight spaces.
What to do? What to do?

After some head scratching, I had a thought I wanted to try.
I have some fiberglass rods for pulling cable through walls.
I would drill a 3/4" hole in the cornice, about a foot
back from the house's front wall.  Once into the cornice I
should be able to push a fiberglass rod above the plate and
into the attic. 

This works, Hooray!  

I can see the fiberglass rod in the attic, 12' away.
If I used one of the loop extensions and tied a piece of nylon
cord with a slip knot, I could push this up into the attic. 
Then I can use a pole with a hook on the end, to hook the
nylon cord's loop and pull the slip-knot loose and back to me,
I'll have a cord I can use to pull CAT-6s from the front corner 
to a place I can get to, and consequently route the CAT-6 to
almost anywhere I want. 

HooRay!  Maybe?

Now I had a fiberglass rod pushed into the attic, with a nylon cord and 
slip-knot,
I first tried to use another fiberglass rod with a hook attachment
on the end, but the rod, at 12', was just too floppy (too much sag).
So I thought I might use some 1/2" EMT, its light, cheap, and pretty
strong.
I bought a couple of 10' pieces of 1/2" EMT and compression couplers.
Now, as I have said before, our attic is cramped, so I don't
have room to manuever a 10' pole, so I sawed both pieces in
half (four 5' pieces of 1/2" EMT).  Now I need a hook on the end.
I got a piece of 1/2" oak dowel, cut off a 2-1/2" piece.
I had to turn it down, slightly. on the lathe so It would fit inside the EMT.
Next I cut a piece of 9 AWG steel wire, 11" long and shaped it per the
hook-diagram below.
Now 9AWG is .114" in diameter, so I needed a .114" deep and wide
groove on opposite sides of the dowel.
I used a Dremel tool to hog out a groove, on opposite sides of the dowel,
that would let the 9AWG wire .

Hook after shaping, and oak dowel. This assembly fits snugly into the 1/2" EMT.

Opposite side.

Another aspect.

Hook installed onto 1/2" EMT. Note the screw holding the hook. There are screws on both sides, but offset about 1/2" so they don't interfear.

Closer look at the hook installed in EMT. Note the short piece of 9AWG sticking out at an angle, I was thinking about weedless fishing lures. It had also occurred to me something like the "weedless" piece would allow me to "push" a cable in a hard to access place!

One of the 1/2" EMT compression couplers.