shicras, in Quechua, means ringed woven bag.

The technique is repeated identically since the preceramic in the central Andes and the Amazon.

The inhabitants of Caral - Supe developed shicras in reeds and stones as base to build pyramids.

The civilization of Caral - Supe, Lima Region, was formed in the north central area of ​​Peru, between Santa River and Chillon River and was part of coastal, highlands and jungle Andean regions.

Information about shicras - CARAL:

http://huacho.info/blogs/index.php/bandurria/2006/11/23/las_shicras_sitio_preceramico_en_huaral

“La Civilización Caral: 5000 Años de Identidad Cultural en el Perú”

http://www.caralperu.gob.pe/
http://www.elperuano.com.pe/edc/2007/08/20/cul3.asp
http://terraeantiqvae.blogia.com/2006/111001-descubren-en-el-valle-de-chancay-lima-peru-restos-de-una-ciudadela-denominada-la.php
http://www.elperuano.com.pe/edc/2006/11/11/inf.asp