Great curtain rod end caps the best part Ideas curtain rod end caps @ dexetra.org. Another standard variety of curtains and drapes ar tiers. Tiers are also referred to as restaurant curtains; they come in several different styles to satisfy almost everyones needs, taste, and style. they are short in length and are typically used in kitchens and baths for decorative purposes. Basically, tiers cover the lower half of the window using a tension rod and may be superbly combined with a swag, pelmet or top tier for a more robust, more decorative look.