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					Originally Posted by  Hugokhf
					 
				 
				can you tell me if palming is involved? 
also does it use your finger muscle a lot (like bertman change) 
			
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 No palming and no intense finger muscle usage, no worries, but.. you might be doing something wrong at the 'Bertram Shadow Change' if you use your finger muscle a lot. This may be because that wasn't a tutorial video, but an exposure video instead so it didn't go into the details. This however, goes into extreme details.