The ornamental design for shock-absorbing gardening tool set, as shown and described.
FIG. 1 is a front perspective view of a shock-absorbing gardening tool set of the present invention with a fork head fitted;
FIG. 2 is a front perspective view of the shock-absorbing gardening tool set of the present invention with a spade head fitted;
FIG. 3 is a front perspective view of the handle stem portion of the gardening tool set of the present invention, separated from the tool for ease of illustration;
FIG. 4 is a front perspective view of the spade head portion of the gardening tool set of the present invention, separated from the tool for ease of illustration; and,
FIG. 5 is a front perspective view of the fork head portion of the gardening tool set of the present invention, separated from the tool for ease of illustration.
The broken lines represent portions of the article and form no part of the claimed design.