Here is the step by step for  a great bug for grayling.

Materials:

Hooks: Demmon 100BL #14

Thread: Demmon Hot Spot Thread -fluo orange

Body:  UV Pink Peter’s Ribbing Quill

Wire: Hends Red wire

Torax: Troutline super nymph dubbing –  hot pink

Bead: Bidoz  Pink bead

and the step bu step:

and a few variants:

all of them are ready for fishing

happy tying