The cane, seeing the advancing current, bends to it. The others do not act in this way. After the current has passed away, the cane resumes its pristine posture.
वेतसो वेगमायातं दृष्ट्वा नमति नापरे। सरिद्वेगेऽव्यतिक्रान्ते स्थानमासाद्य तिष्ठति॥