Patent attributes
A cartridge may include one or more blades and a frame supporting the one or more blades. The one or more blades may be exposed at an upper portion of the frame. The frame may receive the one or more blades in a longitudinal direction. The frame may also include a first guard member positioned on an upper portion of the frame and may be configured to align hair entering the at least one blade. The frame may also include a second guard member disposed in front of the first guard member. A through-hole or an opening may be formed between the first guard member and the second guard member and may extend through the frame from the upper portion of the frame to the lower portion of the frame. The through-hole may enhance a shave performance by convexly protruding skin through the through-hole.