Croup is a condition that causes a swelling of the voice box (larynx) and windpipe (trachea). The swelling causes the airway below the vocal cords to become narrow and makes breathing noisy and difficult. It is most commonly caused by an infection.
A golf slice is a shot that usually ends up far to the right of your intended target. For some players this shot can curve 30 or 40 yards off line. Excessive left to right hand spin on the golf ball causes a golf slice to occur. A small amount of left to right spin on the golf ball will cause what is called a fade.
I would say that most Tour players devout well over half of their practice time on the range to these precision shots rather than hitting drivers - a ratio that would probably reverse for most amateur players. There are three ways to control your distance better on your wedge shots. 1.) Choke down on the club.