the cooperative training device is used for teaching cooperation , teamwork and communication for a group of participants . the training device is an annular , flexible mat having radially extending pairs of foot straps spaced apart on the upper surface of the mat and a corresponding tether extending from the outer foot strap of each pair . teams of participants are trained to cooperate by instructing the team to move the mat from one location to another while standing in the foot straps and grasping the tether . the mat may have true and false directional indicia marked thereon , may be divided into quadrants , and may have designated penalty areas where non - cooperating team members are directed to go and remain stationary .