Tie-down hook
FIG. 1 is a side elevational view showing my new design  for a tie-down hook, the opposite side being a mirror image thereof; 
     FIG. 2 is a front elevational view thereof; 
     FIG. 3 is a rear elevational view thereof; 
     FIG. 4 is a top plan view thereof; 
     FIG. 5 is a bottom plan view thereof; and 
     FIG. 6 is an isometric view thereof.