Its weighted to ride hook point up, so the tail dives when the line goes slack.
This is the "year of the crayfish" for me, I've fished crayfish patterns all year long and I plan to try this one on the yakima next week.
hook: size 2 down eye 6 xlong
antennae: peacock herl strands
Mouth and forelegs: Green bucktail and orange marabou
Legs: Green Saddle hackle
Shellback: Ultrasuade colored with permanent marker
Body: Lead covered with orange trilobal chenille