A bigolo was a yoke for carrying heavy burdens, either of wood or of iron
“Porta Bigolo con acqua” (water bearer) from “Arti che vanno per via” (1785) by Getano Zompini, translated by René Seindal.
“Dalla Latte” (Milk seller) from “Arti che vanno per via” (1785) by Gaetano Zompini, translated by René Seindal.