Why do tzitzit have fabric-squares on the corners of the garment?

Aug 2011 ⋅

⋅ ⋅ #tallit-katan #tallit-gadol #tzitzis #halacha

What letter-counting system was used to mark the Planks of the Mishkan?

Nov 2011 ⋅

⋅ ⋅ #mishkan-tabernacle #writing-printing