Ask A Child 2 Leave a comment Ask a Child: Shailos Tinok, Blog: Diary of a sofer: See the issues that Rabbi Michaels deals with on a daily basis. November 13, 2012 See the vov in totafos and the vov in ov’komecha. The child read both of them as yud. When it is not clear what a letter is we ask a child. In this case the child read the vov of totafos and the vov of uv’komechah as yuds, so this mezuzah is posel.