easy trap/snakehead caught in the hook

snakehead caught on the hook....
a man was trying to fish with the hook in the lake
he used earth worm for fishing,he pinned the earth worm
with the hook and placed it in the lake...he waits for some time
when he notice that he caught the fish in the hook he pills the
hook from the lake...takes the fish away from the hook and tie it with a thread like this he catches more in an hour...in the lake ....