Click Here to Continue Viewing Current Query Results or Home to Start a New Query. Description: Nickel-plated, double-edged Tech razor with the fluted handle and the locking mechanism that required a special key to remove the cap and have access to the blade. Manufacturer: The Gillette Safety Razor Company, Boston, Mass. Type: Gillette Country: USA Patent: Numbers 1,815,745 and 1,858,316 and other patents. Comment: Sometimes known as the Psycho razor because it is used primarily in psychiatric wards and in prisons where access to sharp objects must be tightly controlled. Source: sesam Editors: e sinker