This is for all the new fly tiers. it is a foam hopper! http://www.youtube.com/watch?v=OugrUbjqpcQ (part 1) copy and paste it.
http://www.youtube.com/watch?v=CyTnzRPTxf8&feature=related (Part two)
http://www.youtube.com/watch?v=CyTnzRPTxf8&feature=related (Part two)