Mahabharata 7.159.35

अश्वपृष्ठेषु चाप्यन्ये रथनीडेषु चापरेगजस्कन्धगताश्चान्ये शेरते चापरे क्षितौ

aśvapṛṣṭheṣu cāpyanye rathanīḍeṣu cāparegajaskandhagatāścānye śerate cāpare kṣitau

Our plain-language meaning of this verse is waiting for scholar review.