Extremely flexible material with a diameter of 0.5 mm, can be stretched up to a diameter of 0.2 mm and with a permit returns to a diameter of 0.5 mm.
Is Excellent material for tying Bloodworm pattern and next small worm imitations. Is very flexible and works great in the water. Effective patterns are using a single worm or imitating a tuft of worms. Stretch briefly several times to increase flexibility. It is also excellent for glassy little body midges.