Just 'Cause

This cap from 4x01 "Lazarus Rising".
Click to see the full-sized cap.

How does he make this action of cutting his arm with a silver blade look so cool?

• Having computer issues & PMS, so it's been kind of a sucky weekend. *sigh*
  
• ICYMI Poll: Dreamwidth???
  
• ICYMI: SPN Name That Cap Challenge 7 - Day 97
  

Have a good Monday folks. *hugs*