The ornamental design for a twinewinder, as shown and described.
FIG. 1 is a perspective view of the top and right side of a twine winder
showing my new design;
FIG. 2 is a perspective view thereof with the broken line showing of twine
being for illustrative purposes only and forming no part of the claimed
design;
FIG. 3 is a top view of FIG. 1, the bottom, except for the absence of the
concaved notch, being the same in appearance as the top;
FIG. 4 is a left side view of FIG. 1; and,
FIG. 5 is an end view of FIG. 1, the opposite end being identical thereto.