2. Extend the arm on through the loop, ([Fig. 39]), bringing the loop well up near the pit of the arm, grasping the piece with the left hand, and pressing down keeper, A.
Fig. 39
3. Place left hand between the sling and piece, ([Fig. 40]), the hand being pressed well forward toward the upper sling swivel, A. Notice how the back of the hand is resting against the flat of the sling.
Fig. 40
4. Come to the position of aim, [Fig. 41]. Pressure is applied to the sling by pressing forward the left hand, and holding the rifle to the shoulder with the right hand. Remember that whatever pressure you apply must be the same for each shot.