a thread of blue.
Did you mean
corners of their garments, and that they
put teronomy and Numbers — which,
the fringe of each
corner a thread of blue?
cross-column confusions, at entry for Shema (confession of faith), and involving passages from Deuteronomy 11:13-21 and Numbers 15:37-41
in Wendy Donniger, ed., Merriam-Webster’s Encyclopedia of World Religions (1999) : link