p This corn remover comes ready to use. Hold bottom surface with protruding edges of blade over corn or callosity and gently cut off with a drawing motion. TO DISASSEMBLE: 1. Grip blade-holder firmly with tip of forefinger and thumb. 2. Push handle until blade-holder lock is disengaged from slot in upright prong of blade-holder. Blade-holder and blade are then disconnected for easy cleaning. TO ASSEMBLE: 1. Place blade properly on blade-holder. 2. Place blade-holder with blade on a table or any other solid support. Hold it firmly between tips of thumb and forefinger. 3. Bring blade-holder lock over blade holder. 4. Press lock down to overcome suspension of blade and pull handle simultaneously until prong of lock is firmly inserted in slot of blade-holder. Your corn cutter is then ready to use.