Abstract: A blade scraper including a housing having a top cover case and a bottom containing case, a resilient trigger assembly generally disposing in the housing and a finger-actuating portion of the trigger assembly projecting from the housing through an elongated slot on the top cover case, and a scraping blade secured at a front end of the trigger assembly. The trigger assembly includes projections biasedly inserted into slots on the top cover case of the housing. The blade scraper is operated among a blade loading position, a blade scraping position and a blade storing position.

Abstract: The utility blade scraper (20) including a handle (12) and a trigger (14) slidably mounted in a trigger receiving housing portion (13) of the handle (12). A utility knife blade (16) being mountable on a blade mounting area (28) of the trigger (14).

Abstract: An improved nail hardener comprises a nitrocellulose-base nail lacquer and fiber glass, 10 microns in diameter by 800 microns long. The nail hardener forms a film approximately five times as strong as the film formed by conventional nail hardener. A method of strengthening and protecting fingernails against chipping and cracking and concealing imperfections of the nails by coating said nail with a nail hardener containing fiber glass is also provided.