You see the good Irish linen napkins here? These are relics of old decency.
But what are relics of old decency? They appear in Ulysses:
But when my mother so describes her napkins she is quoting her father, and he, although roughly contemporary with Joyce, was a minister of the Reformed Presbyterian Church and on the whole more likely to cite a fiddle tune than Ulysses. Here is the fiddle tune:
and another contribution from an antiquated housekeeper:
and my favourite contemporary usage: