FIG. 1 is a perspective view of the board game strap of the claimed design;
FIG. 2 is a perspective view of the board game strap of FIG. 1, which has been applied to a board game;
FIG. 3 is a front side view of the board game strap of FIG. 1;
FIG. 4 is a back side view of the board game strap of FIG. 1;
FIG. 5 is a left side view of the board game strap of FIG. 1;
FIG. 6 is a right side view of the board game strap of FIG. 1;
FIG. 7 is a bottom side view of the board game strap of FIG. 1; and,
FIG. 8 is a top side view of the board game strap of FIG. 1.
The broken line showing a board game in FIG. 2 is for the purpose of illustrating environmental structure and forms no part of the claimed design.