Hair cutting guide
FIG. 1 is a perspective view of a hair cutting guide showing my new design; 
     FIG. 2 is a right side elevational view shown in use; 
     FIG. 3 is a front elevational view thereof; 
     FIG. 4 is a rear elevational view thereof; 
     FIG. 5 is a top plan view thereof; and, 
     FIG. 6 is a left side elevational view thereof, the right side elevational view being a mirror image. 
     The broken line showing of the human form in FIG. 2 is for illustrative purposes only and forms no part of the claimed design.