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						upperworks  
						Small equipment and accessories on a boat’s deck especially for rigging, adjusting and handling the sails. 				                 
                
                
					
					
					
                    
                    
                    
                    
					
                    
											
												 
													 
													 
													 
													 
												
					 
					
    
                    
				 
										
						
						turnbuckle  
						
						Instrument for adjusting the tension of a rope; it is made up of a hollow cylindrical body with a threaded shank screwed onto each end.  
						
						
						winch  
						
						Small crank for heaving a rope tight; it usually has a ratchet preventing it from rotating in the counter direction.  
						
						
						shackle  
						
						U-shaped part that closes with a threaded shank; it is used especially for joining two chains or for attaching ropes.  
						
						
						snap shackle  
						
						Metal ring that closes automatically with a spring; it is used to attach various elements such as sheets and sails.  
						
						
						hank  
						
						Hook that is kept closed by a piston mechanism and set on a shank, which rotates on a ring; it prevents the ropes that are attached to it from twisting.