You are adept at disorienting your foe in close-quarters combat, allowing you opportunity to establish a grapple.

<php>echo “<b>Prerequisites:</b>”;</php> Weapon Specialization (Close-Quarters)
<php>echo “<b>Benefit:</b>”;</php> Whenever you score a critical hit against a creature with a close-quarters weapon, you may make a free grapple attempt against that foe that does not provoke an attack of opportunity.