Razor cartridge with variable blade span

A razor cartridge, comprising:

• a plurality of blades;
• a plurality of blade housings extended in a first direction and having seats configured to support the plurality of blades;
• a cartridge frame having one or more rails configured to support the plurality of blade housings such that the plurality of blade housings are movable along the one or more rails in a second direction perpendicular to the first direction;
• and
• a lower guard supported by the one or more rails and movable along the one or more rails in the second direction with the plurality of blade housings,
• wherein:
• the plurality of blade housings are interconnected along the second direction;
• the lower guard is connected to one or more blade housings adjacent to the lower guard among the plurality of blade housings;
• and
• the razor cartridge further comprises a span adjusting shifter configured to be moved in the second direction causing the lower guard to be moved in the second direction, wherein the interconnected plurality of blade housings are moved in the second direction in response to the lower guard moving in the second direction.