Step 4Use it...
This effect works best with long sleeves. Run the end of the tube up your sleeve and down your shirt or jacket. Suck up some blood using the medicine dropper or baster and attach it to the open end of the tube. Your hollywood effect is ready to use.
Lay the knife down on your arm and slowly squeeze out the blood as you make a spine-tingling scream!
I hope you enjoyed this Halloween SFX Instructable!
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