The ornamental design for interconnecting shot glasses, as shown and described.
FIG. 1 is a top plan view of one glass of the interconnecting shot glasses showing my new design with the connectors and other glasses removed for ease of illustration;
FIG. 2 is a side view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a bottom view thereof;
FIG. 5 is a top view of the connector of the interconnecting shot glasses with the other connectors and glasses removed for ease of illustration;
FIG. 6 is a front view thereof;
FIG. 7 is a side view thereof; and,
FIG. 8 is a top perspective view of interconnecting shot glasses in an assembled state.