Piled carpets require especially sophisticated techniques. Here one should master an entirely different technique, with a pile knot applied to every two warp threads, making it possible to bring out a host of designs of any shape or size.
Pileless ones include palas, kilim, sumakh, zili, shadde and verni. Palas and kilim are simply woven, while sumakh, zili, shadde and verni have an intricate weave.
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