What distinguishes the Wacky Rig from other fishing rigs?

The Wacky Rig stands out from other fishing rigs primarily because it features an open hook in the mid-section of the bait. This design allows for a very natural and enticing action when the bait is in the water, making it extremely effective for enticing fish, especially bass. The open hook setup ensures that the bait falls and sways more lifelike, which is pivotal in attracting fish that are more cautious or selective.

In contrast, the other options do not accurately reflect the key characteristics of the Wacky Rig. While it is sometimes rigged without additional weights, that alone doesn't define it as a Wacky Rig. Similarly, the use of multiple hooks on one line is associated with different rigging strategies that aim for varied presentations and fishing techniques, none of which are inherent to the Wacky Rig. Lastly, indicating that it is only effective for bass fishing limits its versatility; the Wacky Rig can be used for various species, not just bass. Thus, the distinct feature of having the open hook positioned mid-bait is what makes the Wacky Rig unique in fishing strategies.