The ornamental design for a rod-type finger pressure device, as shown and described.
FIG. 1 is a Front View of a rod-type finger pressure device showing the new design;
FIG. 2 is a Rear View thereof;
FIG. 3 is a Left Side 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; and,
FIG. 8 is a Reference View thereof.
The gist of the design of rod-type finger pressure device is that the part contacting with skin is triangle with a hole in the center and there are projecting parts contacting with skin in the vertices of triangle.