Simple demonstration of the "rigger's method" for calculating the sling tension in a single leg of a multiple leg sling. Intended for safety professionals preparing for certification exams. The presenter is Dr. Doug Martin. Dr. Martin earned his Ph.D. from Oklahoma State University and is a CSP. In addition Dr. Martin worked as a safety manager in the construction industry for 20 years. For more information about the EHSM program at Northeastern you may contact Dr. Martin at [email protected]. Northeastern State University's Environmental, Health, and Safety Management program has been recognized as a Qualified Academic Program by the Board of Certified Safety Professionals (BCSP).