This cock saddle hackle patch covers Woolly Bagger # 6 through # 12 as a body hackle.

It features a moderately tense and supple fiber, and
you can make a well-balanced fly by taking advantage of the taper of the bend and hackle from the eye direction .
It can also be used not only for wooly baggers, but also for wings of various streamers and hackles for large dry flies # 4 to # 8.