The ornamental design for a phallusretentionpanel, as shown and described.
FIG. 1 is a perspective view of the phallus retention panel in a flat configuration;
FIG. 2 is a top plan view of the phallus retention panel of FIG. 1;
FIG. 3 is a bottom plan view of the phallus retention panel of FIG. 1;
FIG. 4 is a view in right side elevation of the phallus retention panel of FIG. 1 with the left side view being a mirror image thereof;
FIG. 5 is a view in front elevation of the phallus retention panel of FIG. 1;
FIG. 6 is a view in rear elevation of the phallus retention panel of FIG. 1;
FIG. 7 is a top plan view of the phallus retention panel of FIG. 1 with the retention panel in an open configuration;
FIG. 8 is a perspective view of the phallus retention panel of FIG. 1 with the retention panel in an open configuration and with a base panel in a partially open configuration; and,
FIG. 9 is a perspective view of the phallus retention panel of FIG. 1 retaining a phallus and applied to a leg.
The broken line showing of the human body in FIG. 9 is environmental matter which forms no part of the claimed design.
The broken lines on the phallus retention panel represent stitching.