Product review (2 stars): The rods are not very flexible
I was not impressed with this product. I followed the instructions carefully and added one rod at a time through the dryer vent. Sure enough, the rods bent rather than flexing through the duct. I tried a second time, only to ruin two of the rods. I actually tried to straighten them out via my vise, but without success. I think a plumbing snake-like wire contraption would be a better engineering design than plastic rods you need to screw and duct-tape together.