Good, I've got a drill bit for glass that drills nice 1/2 inch holes let me know if you want to borrow it sometime, I can't bring the bit tomorrow but I can dig it out next week. I got it in Surrey from a glass shop, they gave me some cutting compound, it actually works really well as long as you've got a drill press and some patience. 
 
Doug 
		
	
		
		
		
		
		
	
		
		
	
	
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