I am sorry if this has been asked somewhere before, but is modifying tools in agrarian skies, the Tinker's tools, disabled? I can't seem to modify a current tool with a different part. 
Example:
I made a complete bronze tool.
I want to change the pick head to Alumite like you should be able to with Iguana's Tweaks
				
			Example:
I made a complete bronze tool.
I want to change the pick head to Alumite like you should be able to with Iguana's Tweaks
 
				
		
