We claim the ornamental design for a T-rail, as shown and described.
FIG. 1 is a top perspective view showing the new design.
FIG. 2 is a bottom perspective view showing the new design.
FIG. 3 is a top view showing the new design.
FIG. 4 is a bottom view showing the new design.
FIG. 5 is a side view showing the new design, with the opposite side being a mirror image thereof; and,
FIG. 6 is a front view showing the new design, with the rear view being a mirror image thereof.
The shading lines shown in the drawings represent the approximate three-dimensional contour of the design, and are not intended to indicate surface decoration.