Jian Gang is famous all over the world. How about a fishing rod?

How to explain the famous fishing rod built in Hong Kong is as follows.

Fishing rod is a kind of fishing tool, slender and knotted. It usually has a handle, which tapers from the handle to the back end. Fishing line is used to connect the hook and bait. Fishing rod was originally a tool for human beings to make a living by fishing. Now it is usually used for fishing leisure in outdoor sports, and also for some sports or outdoor competitions in fishing competitions. 1. Use a laborious lever to consume the fish's physical strength to ensure that the fish's lips are not broken and the fish is not unhooked. 2. Using elasticity to control the explosive force of the caught fish and attenuate the strength of the fish, on the one hand, it can protect the hand, on the other hand, it can protect the fishing rod and avoid breaking the rod. 3. Change the distance from the fishing point to the shore according to the length of the fishing line. You can catch fish by pulling the fish from the fishing point into the water.