The ornamental design for a glove on a roll, as shown and described.
FIG. 1 is an isometric view of my new design for a transparent glove on a roll;
FIG. 2 is a left-side view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a right-side view thereof;
FIG. 5 is a top view thereof;
FIG. 6 is a bottom view thereof;
FIG. 7 is a perspective view thereof with a hand inserted in the glove; and,
FIG. 8 is a perspective view thereof with the glove and towel detached from the roll.
The dashed lines represent a person's arm which is not part of the claimed design.
The dashed lines representing a person's arm are for illustrative purposes and form no part of the claimed design. The dashed lines on the roll represent perforation of the material shown.