BH Brassie Chartreuse - Bead Head. The Beadhead Chartreuse Brassie is another great midge imitation. The weighted narrow profile cuts though the surface film, can be used in deeper water and faster runs. In addition to Browns and Brook trout, While using the Chartreuse Brassie Bead Head, I have had great success working the eddies in the Great Lake tributaries such as the Maitland and Nine Mile River for fall run Steelhead.