A method of preventing finger access into a space between a hinged edge of a door member that is unexposed when the door is closed, and that is hingedly attached to a door jamb member with spaced hinges, and a surface of said jamb member that is unexposed when the door is closed, comprising cutting a first section of flexible sheet material, having a width sufficient to allow the door to be opened and closed when opposed longitudinal edges of the flexible sheet material are affixed, respectively, to said hinged edge of the door member and said surface of the jamb member on a side of the door having protruding hinges, to a length about equal to a spacing between said spaced hinges securing the opposed longitudinal edges of said first section of flexible sheet material, respectively, to said hinged edge of the door member and said surface of the jamb member between the spaced hinges, without covering the hinges with said first section of flexible sheet material, and optionally securing a second section of flexible sheet material below the first section of flexible sheet material, without covering a hinge.