I don't believe the blu kote has a bad taste. You would need something like anti-pick for that. The chicken saddles stay in place well. Just make sure not to use a narrow elastic. Use a wide soft elastic to go over the wings and they should stay in place.
The recommendations for area is 4...
You could try using chicken saddles. Here is a link to some patterns I have come across:
https://www.backyardchickens.com/web/viewblog.php?id=4031-Patterns
Some also use duck tape across their backs to make a saddle.
Good luck.