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There is a Legacy version here.

PFS StandardLeave An Opening Feat 14

Rogue 
Source Player Core pg. 176 2.0


When you hit hard enough, you leave an opening so your ally can jump in on the action. Whenever you critically hit an off-guard opponent with a melee attack and deal damage, the target triggers a Reactive Strike reaction from one ally of your choice who has that reaction, as if the enemy had used a manipulate action.