In order to remedy this uncertainty of launch position,someone came up with the arrow rest. It is a simple device inthe form of a small shelf that is attached to or built into theleft side of the bow handle at the upper edge of the grip.Instead of the arrow passing over the bow hand, it passes overthe arrow rest. With this improvement, arrows pass the bowat exactly the same place. See pig. 30.
If arrows are not fitted on the string at exactly the sameplace, an error of 1/8 inch up or down will result in the samevariations of impact that was experienced with those of the
bow hand. In order to correct these variations, the string mustbe definitely marked and the arrow fitted exactly on the mark.If only a pencil or ink mark is used, there is the danger thatthe arrow will be shifted from its position in drawing the
