The ornamental design for a fishbait harness/hook rig, as shown and described.
FIG. 1 is a top, front and left side perspective view of a fish bait harness/hook rig;
FIG. 2 is a top, front and right side perspective view thereof;
FIG. 3 is a bottom, front and left side perspective view thereof;
FIG. 4 is a bottom, front and right side perspective view thereof;
FIG. 5 is a front view thereof;
FIG. 6 is a rear view thereof;
FIG. 7 is a left view thereof;
FIG. 8 is a right view thereof;
FIG. 9 is a top view thereof;
FIG. 10 is a bottom view thereof; and,
FIG. 11 is a perspective view of the present invention implemented with a hook.
The broken line showing of a hook in FIG. 11 depicts environmental structure and is for illustrative purposes only and forms no part of the claimed design.