Persian Bijar rug
Rugs made in bijar,seneh,kermanshah
Called bijar rugs and they called iron rug of Iran or iron Persian rug.
They are made of wool on cotton and vegetables and when they make them
Knitter put his fingers in water before every knotted wool to make sure wool is concentrated and pushed so he can put more knotts per square inches.
When rug dry rug looks heavier and more dense and much more durable