Mulligan Concept, NAGS, SNAGS & MWMs :: The Official Web Site The Mulligan Concept is the Official Web site of Brian Mulligan's concept of mobilisations with movement (MWMs) in the extremities and sustained natural appohyseal glides (SNAGs) in the spine. The application of both therapist applied accessory and patient generated active physiological movements are the basis of his concept. Bmulligan.com~Site InfoWhoisTrace RouteRBL Check