How about using a pocket to cast a net on the CD?

Disc casting net with pocket. Disc net spreader with pocket, also known as disc net spreader, is a common fishing tool. This tool usually consists of a disc and a mesh expander with a pocket. When in use, put the disc in the palm of your hand and throw out the net spreader forcibly, so that the caught fish can be put into your pocket. Compared with the traditional fishing method, the disc net with pocket is easy to use, which can greatly improve the efficiency and success rate of fishing, especially when catching small fish.