FIG. 1 is a front perspective view of a first embodiment of a roller device showing our new design;
FIG. 2 is a front view of the roller device;
FIG. 3 is a back view of the roller device;
FIG. 4 is a side view of the roller device;
FIG. 5 is another side view of the roller device;
FIG. 6 is another side view of the roller device;
FIG. 7 is another side view of the roller device;
FIG. 8 is a top plan view of the roller device;
FIG. 9 is a bottom plan view of the roller device;
FIG. 10 is a front perspective view of a second embodiment of a roller device;
FIG. 11 is a front view of the roller device;
FIG. 12 is a back view of the roller device;
FIG. 13 is a side view of the roller device;
FIG. 14 is another side view of the roller device;
FIG. 15 is another side view of the roller device;
FIG. 16 is another side view of the roller device;
FIG. 17 is a top plan view of the roller device;
FIG. 18 is a bottom plan view of the roller device;
FIG. 19 is a front perspective view of a third embodiment of a roller device;
FIG. 20 is a front view of the roller device;
FIG. 21 is a back view of the roller device;
FIG. 22 is a side view of the roller device;
FIG. 23 is another side view of the roller device;
FIG. 24 is another side view of the roller device;
FIG. 25 is another view of the roller device;
FIG. 26 is a top plan view of the roller device;
FIG. 27 is a bottom plan view of the roller device;
FIG. 28 is a front perspective view of a fourth embodiment of a roller device;
FIG. 29 is a front view of the roller device;
FIG. 30 is a back view of the roller device;
FIG. 31 is a side view of the roller device;
FIG. 32 is another side view of the roller device;
FIG. 33 is another side view of the roller device;
FIG. 34 is another side view of the roller device;
FIG. 35 is a top plan view of the roller device; and,
FIG. 36 is a bottom plan view of the roller device.
The particles shown in the handle of the roller device are movable and transition based upon the position of the device. The broken lines in the drawings are for the purpose of illustrating portions of the roller device, which form no part of the claimed design.