VENDU tissée Tenture murale : Tapisserie par BookMeatStudio
You can use this technique in order to emphasize the contour of the object. To do it you have to entwine two warp threads (front and back) with the working thread. To make a contour we usually use thicker threads.
Southwestern Hand Woven Wall Tapestry Weave by StarlingWeave on Etsy https://www.etsy.com/listing/245373648/southwestern-hand-woven-wall-tapestry