If you are using a spinnaker you do not want to mount a windvane of any kind. Unless its a its something like a ribbon on the bridle. The spin will get destroyed hanging up on it. Tape everything you can too. Ringdings, pins, chainplates, anything that the spinnaker can touch.

I didn't think it would make that much of a difference, but coating the snuffer sock, and the spinnaker in the seal n' glide made the chute go up and down way easier. I think that's what it was. It was left over's at a friends house. It was a Homeleko (sp) product