84 is used to attach to receiving hole 83 fig3 is a detailed view of the round dimple 84 on track channel member 58 that is shown being used in fig3 as shown in fig3 a stud member 50 that has a longitudinal rib 85 may also be attached to track channel member 58 using this method in this embodiment a large oblong dimple is provided on track channel member 58 the stud member 50 is attached by moving the stud member 50 as shown by the arrows so that the rib 85 lines up with dimple 86 fig3 is a side view of the dimple that is found on track channel member 58 fig3 is a top view of the oblong dimple 86 on track channel member 58 fig3 illustrates a top view of an alternative stud member 50 fig3 illustrates a bottom view of the alternative stud member 50 shown in fig3 fig3 is a side view of an alternative locking clip that is a punched u2018 louvered u2019 type which is attached to the web member of the stud fig3 is a punched louvered member that provides an attachment position for the stud member attachment the use of the punched u2018 louvered u2019 type of catch is positioned within the.