What is a Fish Hook:

Fish-Hook-Anatomy
Fish Hook is a device used for catching fishes by fisherman for centuries for catching saltwater and fresh water fishes. The Fish Hook is used to hook a fish inside its mouth or snagging its body. In the human history, the Fish Hook has been chosen one of the top twenty tools – Forbes.
Nowadays the hobby of Fishing has been vastly increased and everybody is buying the fish hooks as per their own needs. Fish Hooks will be normally attached to a tight thread, line or lure which connects the caught fish to its fisherman. As per ones purpose and needs there are many varieties of fish hooks available in various sizes and shapes, designs and also in different materials.
Is Fish Hook related to Fish-Hooking:

Fish-Hooking
No it is not related to each other. Fish-Hooking is a self-defense technique which is taught in combat martial arts like Kung-Fu and Karate. Fish-hooking is an action of inserting your fingers inside someone’s mouth or nostrils with the intention of hurting it badly. Its Obvious that if somebody pulls and tears our surrounding tissue inside our mouth will be Hell.
This Fish Hooking method has been stopped in the new combat sports activities due to its danger. It will create a permanent injury to our internal body system and facial damage like eye gouging which is also an dangerous act of pressuring and tearing the eye using ones fingers.