Kuo-Toan Monasticism( Monster Manual V, p. 97)
The monitors learn to use the strange, sticky substance common to kuo-toas as part of their martial arts. If a monitor's first punch hits, it sticks it's hand to it's target, Executes an acrobatic tumble, and unfailingly lands it's second strike.
a kuo-toa can smear a strange sticky substance on it's hands. When using flurry of blows, Flurry of blows. As a swift action, Kuo-Toa, rather than its character level to determine it stunning fist save DC, the kuo-toa autimatically hits with one of its extra attacks if its first attack hits. A kuo-toa that has this feat uses its Hit Dice,
Mind-Shattering Strike (MM5) ,