Large specimen trout want a mouthful, they don’t tend to want to eat small amounts of food, they prefer a good mouthful. This time of year is ‘fry time’ and anglers get awful excited about what can only be called a feeding frenzy. Trout, and other fish, close in and attack fry which are shoals of juvenile fish.
Trout tend to ‘smash into a shoal of fry hoping to stun or kill then come back in to mop up the casualties.. this fly is the ideal size and profile to tempt these fish from the real ones, give it a try…