LivelyLegz Caddis Larva

What do you do with the third set of LivelyLegz?
Tie a Caddis larva

Hook: Std / 2xl Nymph #10 – #16
Bead: Black match hook size
Thread: Black
Body: Olive Peacock Herl
Rib: Black Wire
Legs: Dark LivelyLegz from cut offs
Head: Black Rabbit