When "Kutsurogi" (relaxing) is written as Kogaki (a special phrase that specifically describes how the Noh is to be played), the score becomes a special one, making the shite relax at Hashigakari (the entrance portion of a main Noh stage).
小書として「クツロギ」がつくと途中で特殊な譜となりシテが橋掛かりでくつろぐ演出がある。