Minnesota Vikings 61-79 Riddell NFL TK 2-Bar Suspension Throwback Full Size Helmet. Painted shell with 2-bar face mask and replica decals. Not for competitive play. This is an affordable display piece for the true fan. A full-size helmet with decorative pads and chinstrap. A great helmet at a great value. Riddell is proud to introduce replica full size ñTKî suspension helmets with 2-bar face masks as worn on-field during the ï60s, ï70s, and ï80s. For a true throwback experience, these TK helmets offer it all. The TK consisted of a web suspension system in a rounded shell, with the iconic Riddell 2-bar face mask worn by so many great players of the past. These replicas of the TK helmet strive to match the full detail of the originals. For the discriminating collector, they are a must have! The TK replica helmets are priced between a Deluxe Replica and a Pro Line, offering a step up in authenticity at a price that is perfect for the times.