Peg lock
FIG. 1 is a perspective view of a peg lock showing my new design, with a plurality of items supported on a display peg in broken line for illustrative purposes only and forming no part of the claimed design; 
     FIG. 2 is a top plan view of the peg lock; 
     FIG. 3 is a bottom plan view thereof; 
     FIG. 4 is a right side elevational view thereof; 
     FIG. 5 is a left side elevational view thereof; 
     FIG. 6 is a front elevational view thereof; and, 
     FIG. 7 is a rear elevational view thereof.