Fishing sinker fish being pursued, the environment, the current and personal preference. Pyramid sinkers are shaped like a pyramid and are used when it is desirable to anchor on the bottom of water bodies. They are attached to the terminal end of fishing line by loops of brass. Barrel or egg sinkers are rounded and often bead-like with a narrow hole through which fishing line is threaded. These sinkers are desirable on rock or debris covered substrates. Split-shot sinkers are small and round with a split cutting halfway through the sinker. The split can be placed on a piece of fishing line
Bullet constructions depending on the intended applications, including specialized functions such as hunting, target shooting, training and combat. Though the word "bullet" is often used incorrectly in colloquial language to refer to a cartridge round, a bullet is "not" a cartridge but rather a component of one. A round of ammunition cartridge is a combination package of the bullet (which is the projectile), the case (which holds everything together), the propellant (which provide majority of the energy to launch the projectile) and the primer (which ignites the propellant). This use of the term "bullet" when intending to describe a cartridge often