Wind the herls up the hookshank towards the eye in a reverse direction to that of the rib (ie Under hookshank, rear, over top of hookshank, front), making sure not to cross the herls. Once at the eye, Secure with thread and trim any waste.
Invert the fly in the vice. Take some hackle fibres and introduce them to where they will be tied in. Perform two wraps of thread around the hackle fibre stems and let the bobbin hang loose. Now adjust the hackle fibres until you are happy with their position, then take the bobbin again keeping the thread taught and secure the hackle fibres in with thread. Now invert the fly again in the vice so that it is the correct way up and trim any waste ends that are protruding.
Catch in a length of holographic tinsel to each side of the head, this will become the cheek. Trim the tinsel at each side to the desired length. (I usually leave the tinsel cheek loose but you can push it under the wire rib for protection if you wish).