The new Shimano Butterfly Flat-Side Jigs innovative design provides the best action in the most common situation of angle-vertical jigging while drifting from a boat. The Rear/Center Weight Balance Design lets this jig fall to the bottom quickly with a swinging motion. The Asymmetric 3-D Design (Design Patent Pending), in conjunction with a Flat Half Mirror Finish, providing a look that especially appeals to bottom species while on the fall or the retrieve. The off-set eyeball position allows for the use of two different hook lengths for an overall better hooking ratio.
https://www.tunafishtackle.com/product/shimano-butterfly-flat-fall-jigs/
