This month\\\'s Sunriver Anglers Fly Tying Corner features another in the Callibaetis Lifecycle Series; a Callibaetis Pullover Cripple. It is similar to a Pablo\\\'s Cripple, yet uses unique materials to make this a particularly effective pattern for imitating emerging.
https://www.youtube.com/watch?v=YIdajWnzTSo