“The Daddy has been created in answer to a problem that has plagued fly fisherman for many years. Tying knots into pheasant tale feathers or any kind of fibre has long been a frustrating, time consuming activity. Now with the advent of this innovative and once used, invaluable tool, you will find yourself knotting a variety of fibres within minutes.” http://www.swiftmicroproducts.co.uk/reviews.html
SwittersB & Exploring 