Rangers are masters of using weapons with deadly effectiveness in more than one hand at a time. Rangers who become beastmasters can put this trained efficiency to use, and are able to use a whip or poker in their non-main hand and still 'urge' their mount into combat. Stronger mounts with thicker skin are more resistant to the lighter beatings given by offhand weapons, and require a higher value of this skill to have any effect. This mastery skill affects both guided strike and feral attack.