” Slim, heavy Czech nymphs and shrimp imitations can be essential for getting down to fish feeding in deeper, fast water. However where more gentle flows occur, I have found this shrimp imitation to really be successful. Don’t be fooled though, there is plenty of lead in this fly – and it is this ballast that is used to give the fly its effective ‘hump’ appearance. It is particularly effective when fished in chalkstreams for grayling. “
click either pic for the humped super-shrimpy step by step !