MISHNAH. [IF SHE VOWS,] 'KONAM THAT I DO NOT AUGHT FOR MY FATHER,' 'YOUR FATHER,' 'MY BROTHER,' OR, 'YOUR BROTHER,' [THE HUSBAND] CANNOT ANNUL IT. 'THAT I DO NOT AUGHT FOR YOU,' HE NEED NOT ANNUL. R. AKIBA SAID: HE MUST ANNUL IT, LEST SHE EXCEED HER OBLIGATIONS. R. JOHANAN B. NURI SAID: HE MUST ANNUL IT, LEST HE DIVORCE HER AND SHE THEREBY BE FORBIDDEN TO HIM. GEMARA. Samuel said: The halachah is as R. Johanan b. Nuri. Shall we say that in Samuel's opinion a man can consecrate that which is non-existent? But the following contradicts it: If a man consecrates his wife's handiwork [which she will produce],