This works great! I used a drill and started with one section then kept adding sections. Don't start with too many sections as the drill will tie them into a knot! I was able to pull junk back out of the vent with this. My vent run is about 16 feet, so I've ordered another kit to complete the whole run. What I've done so far has helped tremendously.
Go ahead and get it, you probably need it to help dry clothes faster and not risk a fire. The rods are firm but bendable and the brush does the job. For the money and for what it accomplishes, it's a no-brainer.
This saved me money from having to hire a chimney sweeping company and was really easy to use.