Abstract: Suspenders for suspending trousers. The suspenders include straps and hooks generally fixed at ends of the straps. At least one of the hooks has a strap-hold at a first end thereof for engaging at least one of the straps and a hook portion at a second end thereof for engaging at least one loop on the trousers. The strap-hold has a longitudinal axis and the hook portion extends in a direction which is generally parallel to the longitudinal axis of the strap-hold. The hook portion is configured to generally facilitate hooking of the hook portion on the at least one loop on the trousers.

Abstract: A simple, inexpensive mask which is generally not bulky, and quite easy to handle, and is applicable to a limited portion of the face. The mask is configured to accommodate various sizes and shapes of nostril openings. The mask includes an air filter having an area which is capable of covering nostril openings, a pair of adhesive sheets which project outwardly from non-parallel side edges of the air filter, and an adhesive layer which is provided on respective upper surfaces of the adhesive sheet and is capable of being adhered to both side portions of a nose. Removable papers are provided, fitted on the adhesive layer. The air filter includes a flexible flap for adjusting a size between an arc-shaped line of the air filter and a facial skin surface below the nose.

Abstract: Suspenders and methods of using them have general-purpose properties necessitating no special processing as long as normal type trousers with belt loops are concerned, and realize quick, certain and easy fastening and undoing, and also successive application without damaging the trousers. The suspenders comprise hooks fixed at the free ends of straps in the suspenders. The method of using them comprises the step of engaging the hooks with appropriate loops selected from among the loops of trousers respectively.