You know just where to hit to knock the sense out of your foe.
Prerequisite: Sneak attack +1d6.
Errata: “Page 116—In the Sap Adept feat, in the Benefit entry, remove the word “twice”.” [source]
Pathfinder Roleplaying Game Ultimate Combat. © 2011, Paizo Publishing, LLC; Authors: Jason Bulmahn, Tim Hitchcock, Colin McComb, Rob McCreary, Jason Nelson, Stephen Radney-MacFarland, Sean K Reynolds, Owen K.C. Stephens, and Russ Taylor.