Pressure Point Strike
In the column Class Acts: Monk entitled "Pressure Point Attacks" (Dragon #336 103) is the the general feat Pressure Point Strike. Its prerequisites include Dexterity 13, Wisdom 13, Base Attack Bonus +8, Knowledge (arcana) 5 ranks, the feats Improved Unarmed Strike (PH 96-7) and Stunning Fist (PH 101), and--most egregiously--ki strike (magic). This last limits the feat to those who are willing to go at least 4 levels into monk.
The feat itself is... interesting, giving the monk the option of spending 1-5 stunning fist attempts to assist allies by removing conditions (e.g. fatigued, paralysis, stunned, sickened--not dazed, though) or to inconvenience foes by giving them conditions other than stunned (e.g. blind, deaf, paralyzed) or by otherwise reducing their combat effectiveness (e.g. lowering a creature's spell resistance, preventing a creature from casting spells and using spell-like abilities for 1d4 rounds).
All hindrances the feat bestows on the monk's foes are resisted by Fortitude saving throws--most monsters' best saving throw--so while it pretends to improve the monk's offensive versatility, it doesn't really.
The ability to spend 5 stunning fist attempts to generate an effect like the spell greater dispel magic [abjur] (PH 223)--even if only by touching and ally and even then only versus a single spell or spell-like ability--is probably why the feat has the Base Attack Bonus +8 prerequisite. There must be some niche application of being able to generate an effect like the spell greater dispel magic as an extraordinary ability.
A generous DM could give this feat to monks for free at level 11 (when they could normally meet the feat's printed prerequisites), level 4 (when they could meet the feat's printed prerequisites except for Base Attack Bonus), or even level 1 (just 'cause) and not risk unbalancing the campaign.