Githzerai Knock

(Complete Psionic, page 54, DnD 3.5)

[Psionic, Racial]

You can leverage your concussion blast psi-like ability to gain such fine control over manipulating force that you can open locks or sealed doors.

Prerequisite

Githzerai, concussion blast psi-like ability

Benefit

You can expend one or more of your daily uses of the concussion blast psi-like ability granted by your githzerai heritage to instead gain the use of psionic knock as a psi-like ability. Your manifester level for this effect is equal to 1/2 your Hit Dice (minimum 1st).