FIG. 1 is a rear perspective view of the flossing device of my new design;
FIG. 2 is a top view of the flossing device of my new design;
FIG. 3 is a left side view of the flossing device of my new design, the right side view being identical thereto;
FIG. 4 is a bottom view of the flossing device of my new design;
FIG. 5 is a front end view of the flossing device of my new design; and,
FIG. 6 is a rear end view of the flossing device of my new design.
The broken lines in the drawing are for illustrative purposes only and form no part of the claimed design.