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 catch so that it can be identified later. Great efforts are usually made to show that the person firing the gun does not come in contact with the person catching the bullet. When magicians Penn and Teller perform the bullet catch, in which each simultaneously catches a bullet shot by the other, a line is drawn down the center of the stage, demonstrating that neither will cross to the other side. When done by Dorothy Dietrich and Ted Annemann the bullets to be used are purchased by a committee ahead of time, kept under guard until performance time, and the bullets