... traditional crochet, twisting, chenille and hollow yarns with styles as feather, eyelash, spun, iceland, boucle ... traditional crochet, twisting, chenille and hollow yarns with styles as feather, eyelash, spun, iceland, boucl ... dedication is revealed in this team’s obsession with quality control.CertificationsYusheng has been certified by ... prefer fibre and wool. Special Color Changing Iceland Wool/Yarn