1) Can-opening aid 2) Vise 1) Clamp 2) Talon 3) Vise 
• (n.) One who, or that which, grips or seizes. • (n.) In printing presses, the fingers or nippers.
The row of clips holding the sheet of paper as it speeds through the press. 
A device on a printing machine for holding the sheet during the printing or finishing process.
Grip'per noun 1. One who, or that which, grips or seizes. 2. plural In printing presses, the fingers or nippers. 
A series of metal fingers that hold each sheet of paper as it passes through the various stages of the printing process.