Very nice clubs ggoudie, 
                              I think the carving on the heads do indeed look organic. 
 
          I can see what you mean Fearn, the dimples do look similar to the indentations cause when using a lathe. Perhaps the clubs are held, at either end, between two spindles, so that the club can be spun laterally, (like a lathe) which would aid the hand shaping/finishing, rounding of the club head etc. ?
		 
		
		
		
		
		
		
		
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