Seed drill China, and later a seed drill by Jethro Tull that was influential in the growth of farming technology in recent centuries. Even for a century after Tull, hand sowing of grain remained common. In older methods of planting, a field is initially prepared with a plow to a series of linear cuts known as "furrows". The field is then seeded by throwing the seeds over the field, a method known as "manual broadcasting". The seeds may not be sown to the right depth nor the proper distance from one another. Seeds that land in the furrows have better protection from
Mozambique Drill spinal cord. Rousseau related the story to an acquaintance, small arms expert Jeff Cooper, founder of the Gunsite Academy shooting school, who incorporated the "Mozambique Drill" into his modern technique shooting method. The Mozambique Drill was incorporated in the Gunsite curriculum from the late 1970s. In 1980, two Los Angeles Police Department SWAT officers, Larry Mudgett and John Helms, attended pistol training at Gunsite and received permission from Cooper to teach the technique to the LAPD, and to rename it the Failure Drill (concerned that "Mozambique" might have racist overtones). The Mozambique Drill is intended to ensure that the target