The separated head and hook enables maximum bait actions, thus make bait alive.
Oversized vivid big eyes give game fishes a certain attack target.
High pressure die casting make jig head surface more smooth and hard.
The paddle tail can makes enough turbulence to attract more game fishes.
The hook slot can hide offset worm hook, thus make the rig weedless and anti-snagging.
Ribbed body is more life-like.