Your sneak attacks continue to deal damage even after you strike.
Prerequisite: Sneak attack +8d6, crippling strike class feature.
Benefit: Any time the character deals damage with a sneak attack, that target takes damage equal to the character’s sneak attack bonus damage on the character’s next turn as well.
Source: Standard Reference Document under Open Game License v1.0a, which updated this feat originally published in the Epic Level Handbook, page 62.