大比丘三千威儀 1.34

1.34

There are also five matters: first, it must first be leveled evenly and must not be allowed to touch the ground at the bottom; second, lowering the two ends, one must not let them touch the feet; third, when putting on the kāṣāya, one must neither directly face the Buddha stūpa nor turn one's back to it; fourth, one must neither face the sthaviras or the three masters nor turn one's back to them; fifth, when folding the kāṣāya, one must not hold it in the mouth, nor may one flap it with both hands.