Hatter's shake or glass blower's shake seen in

Mercurial Tremors The hands are first affected. there will be tremors of the hands called Danbury tremors. It may progress to lips, tongue, arms, and legs. The tremors are moderately coarse and intentional to sta with and are interspersed by jerky movements. The advanced condition is called hatter's shake or glass blower's shake. Ref: FORENSIC MEDICINE AND TOXICOLOGY Dr PC IGNATIUS THIRD EDITION PAGE 428