A head and neck restraint device, comprising: a) a yoke having i) a base portion, ii) a stand-up collar (30, 60) portion, iii) a first sidewing portion having a first connector member, and, iv) a second sidewing portion having a second connector member wherein the first and second sidewings (54, 56) each further include a guide for a portion of a safety belt (4, 9); b) first and second legs, each leg (40, 50) having i) a proximal portion, ii) a distal portion, iii) a front surface, iv) a rear surface and v) a connector member pivotably associated with a sidewing connector member such that each leg (40, 50) is capable of limited pivoting articulation with respect to the sidewing (54, 56) wherein the stand-up collar (30, 60) comprises a tether or a plurality of tethers, characterized in that the sidewing connector comprises a lap joint (520, 526, 708, 712) wherein at least a portion of a surface of a base of the sidewings (54, 56) is curved from front to back so as to provide a cammed surface, such that when the yoke pivots during the load of a crash incident with a frontal force component, a portion of the safety belt (4, 9) is positioned within the sidewings guide wherein the cammed surface of the base of the sidewings (54, 56) acts to decelerate the user's head during the incident. a) a yoke having i) a base portion, ii) a stand-up collar (30, 60) portion, iii) a first sidewing portion having a first connector member, and, iv) a second sidewing portion having a second connector member wherein the first and second sidewings (54, 56) each further include a guide for a portion of a safety belt (4, 9); i) a base portion, ii) a stand-up collar (30, 60) portion, iii) a first sidewing portion having a first connector member, and, iv) a second sidewing portion having a second connector member wherein the first and second sidewings (54, 56) each further include a guide for a portion of a safety belt (4, 9); b) first and second legs, each leg (40, 50) having i) a proximal portion, ii) a distal portion, iii) a front surface, iv) a rear surface and v) a connector member pivotably associated with a sidewing connector member such that each leg (40, 50) is capable of limited pivoting articulation with respect to the sidewing (54, 56) wherein the stand-up collar (30, 60) comprises a tether or a plurality of tethers, characterized in that the sidewing connector comprises a lap joint (520, 526, 708, 712) wherein at least a portion of a surface of a base of the sidewings (54, 56) is curved from front to back so as to provide a cammed surface, such that when the yoke pivots during the load of a crash incident with a frontal force component, a portion of the safety belt (4, 9) is positioned within the sidewings guide wherein the cammed surface of the base of the sidewings (54, 56) acts to decelerate the user's head during the incident. i) a proximal portion, ii) a distal portion, iii) a front surface, iv) a rear surface and v) a connector member pivotably associated with a sidewing connector member such that each leg (40, 50) is capable of limited pivoting articulation with respect to the sidewing (54, 56) wherein the stand-up collar (30, 60) comprises a tether or a plurality of tethers, characterized in that