Flask Strap

FIG. 1 is a perspective view of a flask strap showing my new design;

FIG. 2 is a front elevation view of FIG. 1 ;

FIG. 3 is a rear elevation view of FIG. 1 ;

FIG. 4 is a left side elevation view of FIG. 1 ;

FIG. 5 is a right side elevation view of FIG. 1 ;

FIG. 6 is a top plan view of FIG. 1 ; and,

FIG. 7 is a bottom plan view of FIG. 1 .

The broken lines in the drawings showing an associated flask depict environmental subject matter that form no part of the claimed design. All other broken lines depict portions of the flask strap that form no part of the claimed design.