The ornamental design for a double ruffletie, as shown and described.
FIG. 1 is a front perspective view of a ruffle tie shown being worn around the neck of a human.
FIG. 2 is a front elevation view of the ruffle tie of FIG. 1.
FIG. 3 is a back elevation view of the ruffle tie of FIG. 1.
FIG. 4 is a left side elevation view of the ruffle tie of FIG. 1; and,
FIG. 5 is a right side elevation view of the ruffle tie of FIG. 1.
The broken lines showing the partial human figure in FIG. 1 illustrate environmental subject matter meant to assist in showing how the claimed design appears when being worn and form no part of the claimed design.