Finally, another idea was introduced: A metal cap was placed over the cork, and these were held in place by a muzzle of twisted wire.
وأخيرا ابتُكرت فكرة اخرى :‏ وُضع غطاء معدني على الفلِّينة وثُبِّت معها بكِمامة من سلك لولبي .‏