My engine is out of the engine bay right now so I am taking this as an opportunity to clean my extremely dirty engine bay. 
While unscrewing/unbolting/taking apart stuff I found this little guy hanging onto one of the 2 or 3 bolts that holds the ignitor/coil bracket onto the chassis. What is it?
	
	
	
		
		
		
			
		
		
	
	
		 
	
 
	
	
	
		
		
		
		
	
	
		 
	
			
			While unscrewing/unbolting/taking apart stuff I found this little guy hanging onto one of the 2 or 3 bolts that holds the ignitor/coil bracket onto the chassis. What is it?
 
	 
	 
				
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		