Fishing sinker weight acting as barbs. Claw sinkers are used in surf fishing on sandy bottoms with strong currents, mainly to prevent the sinker from getting carried off with the current. Upon casting a claw sinker, the line is briefly tugged so that the claws will dig themselves into the sand, allowing the rig to stay in place. An ideal material for a fishing sinker is environmentally acceptable, cheap and dense. Density is desirable as weights must be as small as possible, in order to minimize visual cues which could drive fish away from a fishing operation. In ancient times as well
Bullet button Bullet button A bullet button is a device used to remove a magazine in a semiautomatic rifle, replacing the magazine release with a block which forces the user to remove the magazine by using a tool as opposed to his or her finger. This allows the rifle to comply with parts of California's firearms laws. The name came about in relation to a 1999 California law which said that a "bullet or ammunition cartridge is considered a tool." The 2012 court case "Haynie v Pleasanton" validated that a bullet button is legal and rifles that have one installed are not