> Notable examples have included nurses refusing to answer telephones, teachers refusing to work for free at night and during weekends and holidays, and police officers refusing to issue citations. Refusal to work overtime, travel on duty, or sign up to other tasks requiring employee assent are other manifestations of using work-to-rule as industrial action.
Basically you do what's required, no more. No (unpaid)overtime, no checking work stuff on your free time etc.
You know, the stuff we in Europe take for granted. American culture from the 50's and 60's was all "just work hard and The Company will see it you'll get that promotion!". It barely worked then, it doesn't work now - especially in medium to large corporations.