Natyashastra
भूमौ विसर्पितैः पादैर्हस्तैर्मार्गप्रदर्शिभिः । रथस्थस्यापि कर्तव्या गतिश्चूर्णपदैरथ ॥ ८८॥
On the ground, the feet and hands should move as if feeling the way. Even the gait of one seated in a chariot should be performed with short steps.
english translation
bhUmau visarpitaiH pAdairhastairmArgapradarzibhiH । rathasthasyApi kartavyA gatizcUrNapadairatha ॥ 88॥
hk transliteration by Sanscript