the "washers" used on either side of the tsuba in a sword mounting

The washers used to fill the space between the tsuba and the sword.

A pair of washers used between the Habaki and Tsuba and Tsuba and Fuchi. Many varieties, sizes and widths.

2 lamelles de métal trouées en leur centre pour laisser passer la soie et placées de part et d'autre de la garde

Seppa (formerly known as Salpa) is the headquarters of East Kameng district in the state of Arunachal Pradesh in India. It lies on the bank of Kameng River and is located 160km from Itanagar.