An assortment of the few designs include Celtic knot ones as well, Turkish puzzle ring, and Greek key style rings.
They bear review names for this guests and in most cases have a printed symbol or single capital letter to represent food choice. http://www.Silverbardgames.com/wiki/doku.php/agza_bosalmas%C4%B1na_i%CC%87zin_ve_en_diya_bak%C4%B1_esco_t_bayan_nes_in