>>938662on the cheap they work. i know someone with one and they are happy with the fun to cost ratio. he tricked his out to fish. glue on rod holders ect..added drybag for deck storage. take the pillow butt pad out and put a strip of outdoor carpet inside. A short piece of luan (waterproof and cover the edges with tape) will stiffen the kayak significantly.
https://www.youtube.com/watch?v=a_HzXa0YVIo