Cubitainer spout support tool

FIG. 1 is a front view of a new design for a cubitainer spout support tool;

FIG. 2 is a rear view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a left side view thereof; and,

FIG. 7 is a perspective view thereof.

The Figures depict an ornamental design for containers, and more particularly, an ornamental design for a cubitainer spout support tool.