Postarèl (m)
(with) definite article: lodevice with which the rear end of the bag is closed
Plug, around which the rear end of the bag is tied up before inserting the stocks, &c.
Rossèl, Sèrgi: Es polida la mieuna Cabra (My goat is beautiful). In: Utriculus 3;3 (11), luglio-settembre 1994, p.35.