Imitates the giant stonefly for targeted fishing effectiveness
Proven performance in heavy water conditions for reliable results
Versatile dry fly design suitable for various fishing environments
Constructed from durable metal for long-lasting use
Summarized by Shop
The original STIMULATOR is credited to Randall Kaufman. Originally designed to imitate the giant stonefly. This well know pattern has taken many effective variations. As an attractor dry in heavy water the CRYSTAL STIMULATOR may be the best.