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The ornamental design for a knot tying training device, as shown and described. |
FIG. 1 is a perspective view of a knot tying training device showing my new design;
FIG. 2 is a top view thereof;
FIG. 3 is a bottom view thereof;
FIG. 4 is a front view thereof;
FIG. 5 is a right view thereof;
FIG. 6 is a left view thereof; and,
FIG. 7 is a back view thereof.
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