After the verb kṛ preceded by vi , when used intransitively, the ātmanepada is used.,
As विकुर्व्वन्ते सैन्धवा 'the horses move gracefully,' ओदनस्य पूर्णाश्छात्रा विकुर्वंते 'the students being full of food are acting as they will or are aimlessly wandering about.',