This device was surprisingly effective at collecting hay. Assembly was relatively simple (took half and hour) although some of the instructions needed some inspiration to determine. In operation behind an ATV, it requires breeze-blocks or other weights to be placed on the platform (as instructed) in order to function effectively. Each time a swath of hay is collected, the weighted have to be removed and the entire device lifted to remove the collected hay. That is hard work, slightly dangerous and time-consuming. A handle to tilt the tines backwards would be a great development on the next generation of this machine. The handle to lift and lower the tines is not very effective as it bends too much in use. Some stiffening should be added by the manufacturer. All told, decent value for money. Better than manual raking in my case..