2 adverbs to describe how to crab

Browning has denied that he was ever perversely crabbed or obscure.

He walked sideways, like a crab, resistingly, and could not help himself; and then, just as he had nearly reached the bell-shaped keyhole, he was whirled around, as is the end child in a school playground when they are playing "crack-the-whip," fairly in front of the keyhole, and literally hurled toward it, while the key shot fiercely into the lock.

2 adverbs to describe how to  crab  - Adverbs for  crab