Just connect with a 510 thread battery and go. Press the button 5 times quickly. Carbon Fiber Brass Knuckles Brass Knuckles Ebay Brass Knuckles You can order brass knuckles adjustable vape battery delivery under 45 minutes to your door in hollywood west hollywood north hollywood studio city burbank and most cities in los angeles. Brass knuckles battery instructions . Brass knuckles vape cartridges are extremely easy to use. Green 2 4v blue 3 2v red 4 0v. Simply let this cycle to the end indicated by color cycling or press the button to begin vaporization three 3 button clicks will select the variable voltage as follows. They sell millions of their pre filled cartridges to their fans across california and are so popular that some unscrupulous companies have even started making fake cartridges. Press the button 2 times quickly. Once i attach a cartridge to the battery i push it 5 times rapidly it flashes then i can take hits. Brass knuckles ain t fucking around. Two