DESC: The shield is most commonly used as a defensive barrier that can ether absorb or deflect an incoming attack. But to some that truely train with a shield for combat it is much, much more.
The shield can als be used in an attack called the shield bash. While anyone can master the basics of this combat action you have studied it and made it an art. For shields that have a base grapple of greater than zero you can apply the attack and damage to grappling attacks made with this skill.