4 Pics 1 Word Level 1660

Answer:
Friction
Hint
What is the answer to the 4 Pics 1 Word level with Man rubbing a towel on his bald head, Man rotating a stick between two hands, Rubbing hands, and Tape passing through rotating wheels?

Hint
What is the answer to the 4 Pics 1 Word level with Man rubbing a towel on his bald head, Man rotating a stick between two hands, Rubbing hands, and Tape passing through rotating wheels?