Italian, pressed sandwich is a great way to make two crusts edible for people with no teeth.
Pack the space between two end slices of bread, with ones choice of filling ( Tomatoes were always used in Italy) as they tend to offer the required moisture, which, after being pressed for an hour or so, will soak into the crusts and thus, soften.
Can be used on stale bread, to bring back its sell by date (for those who purchase mass produced commercial supermarket additive and stabilised with ingredients that are forbidden by the Artisanal Society of French bakers.