the crazy, irregular, left-right slashing motion of the needle on the E-Meter dial. Rock slams repeat left and right slashes unevenly and savagely, faster than the eye easily follows. The needle is frantic. The width of a rock slam depends largely on sensitivity setting. It goes from one-fourth inch to the whole dial. But it slams back and forth. —Intro to ScnEthics Glossary (app. 14.7.90)