Here is a bag that I got from Tom Cole several
years ago. I think the structure is normal for the Sistan group.
Size: 1 foot 8 inch by 3 foot 5 inch.
Structure: Asymmetrical knot open to the left. 7
knots per horizontal inch and 8 knots per vertical inch. 56 per square
inch (868 per square decimeter)
Color: Navy blue, aubergine, red, forest green,
Yarn Spin: Z.
Warp: 2 ply tan wool.
Weft: 2 shots brown wool.
Pile: 2 wool singles.
Ends: 3.5 inch plain weave with .5 inch warp
Selvages: 1 cord plain brown wool.
Handle: Soft, light, pliable