Shaving razors and shaving cartridges

A shaving blade unit comprising:

• a housing having a front edge, a rear edge, a side edge extending between the front edge and the rear edge;
• a plurality of shaving blades received in the housing;
• a retainer securing the plurality of blades in the housing, the retainer including:
• an upper end portion and at least one leg;
• the upper end portion including an upper surface and an opposing lower surface, and front and rear edges extending longitudinally between a pair of opposing parallel side edges, the lower surface extending from the front edge;
• the at least one leg depending from the rear edge of the upper end portion, extending substantially transverse to the upper end portion, and being positioned to expose at least a portion of the rear edge;
• the at least one leg including a lower end portion that curves upwardly and extends towards the lower surface of the upper end portion, the lower surface forming a protrusion a distance away from the front edge, the protrusion extending downwardly and towards the lower end portion;
• and
• the upper end portion abutting the plurality of blades to retain the plurality of blades in the housing.