Lokacin kera gado mai inganci, zaɓin kayan yana taka muhimmiyar rawa wajen ƙayyade karko da kwanciyar hankali na samfurin ƙarshe. Ɗaya daga cikin waɗannan sau da yawa ba a kula da su ba amma mahimman kayan aiki shine babban ƙarfin polyester elastic webbing. Wannan shafukan yanar gizon shine muhimmin sashi a cikin samar da tallafi da kwanciyar hankali ga wurin zama na sofa, yana mai da shi muhimmin mahimmanci ga masana'antun da masu amfani.