Trepanation. 
18th Century French illustration. 
This probably has been done before but:
I can’t be the only one who thinks the Christian Bale Batman sounds like a smoker.
Going through my photobucket & found this gem. I drew this like, 7 years ago. I don’t know what this says about me.
He’s a very busy beaver

Just got inspired to do a series of sketches. I haven’t felt the urge to do that in a while. 

Now all I need is the time…

:)

Not one of my best, but whatever. 
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