Location's are the Bahamas, Belize and basically everywhere.... Hook- 6, 8, and 10..... Thread- Black monocord..... Eyes- Medium or small bead chain.... Tail- Saddle Hackle flared.... Body/Wing- Tan marabou.... Overwing- Brown Bucktail, very sparse.... More details in Brown's book and designed by Yvon Chouinard from a John Tortenson design.