Now, as obvious as it may sound in such a place, at the end of the pool there is a monster trout. It sticks to the bottom, at times it jerks the head to the right or to the left to grab something drifting in the current. After trying a dozen of nymphs, from hook 8 to hook 18, I shrink the leader to 0.14. Anything thinner would never hold the beast. Nope, nothing seems to convince the trout.