The most important equipment for a goalkeeper is their gloves. It is vital that the keeper be well informed before making an investment when selecting the gloves....
In most cases, the purpose of a wall is to make it easier on the keeper to protect the goal from a direct on indirect shot. However its important for the keeper not to put so many people in the wall that it allows too many other options for the opponent....
Frequently when an opponent is taking a corner kick, an opponent will have a player stand right beside the keeper to try to beat the keeper to balls (ok lets be honest here, the real reason frequently is to obstruct the keeper as well)...
Too often, the keeper gets the ball and kicks it aimlessly down field. Instead of just kicking the ball down field, there should be a plan as to how to work the ball out of the back or...