Qashin-qaadashada Cajiinka 'Flue' waa mid si gaar ah u leh xarkaha (polyester) fiber ama dhogor ka samaysan dhogor isku dhafan oo leh cabbirro kaladuwan, oo loo qaatay si waafaqsan shuruudaha tayada kala duwan ee la dareemay, oo loo adeegsado tikniyoolajiyadda loo yaqaan 'gel gel', dareentid dareentid kadib caagga adag, xirashada iska caabbinta, ma aha sahlan timaha timaha, kara. lagu samayn doonaa qaabab kala duwan oo qaybo goyn ah.