C458 Tang Men's Preparatory Work

"So sharp, what you mean is, an iron saw is a blade covered in iron teeth?" Ning RongRong seemed to understand, he took the leaf and started pulling it back and forth on the branch. The leaf broke in a few moments, but a faint scratch was formed on the branch.

Dai Mubai looked at the leaf in Ning RongRong's hand, and his eyes immediately lit up. With this kind of saw