Swivel hook
FIG. 1 is a front view of a swivel hook; 
     FIG. 2 is a rear view of the swivel hook of FIG. 1; 
     FIG. 3 is a plan view of the swivel hook of FIG. 1; 
     FIG. 4 is a base view of the swivel hook of FIG. 1; 
     FIG. 5 is a right side view of the swivel hook of FIG. 1; 
     FIG. 6 is a cross-sectional view taken on line 6--6 of FIG. 1; 
     FIG. 7 is a cross-sectional view taken on line 7--7 of FIG. 5; and, 
     FIG. 8 is an explanatory view showing the swivel hook of FIG. 1 in use. 
     The broken line showing of strap material and swivel hook structure is for illustrative use only and forms no part of the claimed design.