FIG. 1 is a front elevational view of a ring bottle holder of my design;
FIG. 2 is a side elevational view of the left side thereof;
FIG. 3 is a side elevational view of the right side thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof; and,
FIG. 6 is a rear elevational view thereof.
The ornamental design for a ring bottle holder, as shown and described.