Testosterone is the primary male sex hormone and an anabolic steroid. In men, testosterone plays a key role in the development of male reproductive tissues such as the testis and prostate, as well as promoting secondary sexual characteristics such as increased muscle and bone mass, and the growth of body hair.
The basic setup of the Carolina rig with its heavy weight (usually ranging in size from 1/2 to 1 ounce) and soft plastic lure trailing behind on a leader line is ideal for dragging quickly along structure to trigger strikes from bottom-hugging bass.
There is also a swivel pre-attached to the cylinder shaped sinker. Carolina Keeper Rig. This very simple device seen above is called a Carolina Keeper. It is simply a short piece of flexible but very stiff piece of cylindrical plastic with a slit cut through its center.