Here is why they dont... Read the abstract... that is 3/4 of the fishing lures.
Abstract
A lure has a lip properly slanted down forward which is attached in a neighborhood of a front end portion of a lure body that is formed to have an external appearance imitating a small fish. A head section of the lure body is formed to have a tapered thin edge shape in top view.
1. A fishing lure with a lure body formed to have an external appearance imitating a small fish, the fishing lure comprising: a lip properly slanted down forward, the lip being attached to a neighborhood of a front end portion of the lure body, wherein a head section of the lure body is formed to have a tapered thin edge shape in top view. 2. The fishing lure according to claim 1, wherein a recessed portion is formed in an upper surface of the head section of the lure body. 3. The fishing lure according to claim 1, wherein a base of the lip joined to the lure body is formed to continue linearly from a front end portion of the lip and is joined as it is to the lure body. 4. The fishing lure according to claim 2, wherein a base of the lip joined to the lure body is formed to continue linearly from a front end portion of the lip and is joined as it is to the lure body. 5. The fishing lure according to claim 1, wherein a base of the lip joined to the lure body is formed in a manner that both sides of the base are raised properly upward. 6. The fishing lure according to claim 2, wherein a base of the lip joined to the lure body is formed in a manner that both sides of the base are raised properly upward.