So. This is a modified script on pickier in arehe. What can I say, is the fact that do not click (the button where You attach the script) too often, otherwise the script does not Wake to drink to work and you'll just stupidly very quickly change weapons. Good luck !
Download the program (Download) and go to the macro editor
press the button «Open file»
and select the downloaded file
assign a macro to a key and run the program