RTOM BH-SZT-PACK Single Zone Trigger - 5-PackWelcome to the next evolution of drum triggers! Our all new, soon to be released bh Single Zone Triggers instantly transform acoustic drum heads outfitted with Black Holes into a hybrid kit. With bh Triggers, the days of requiring mesh heads, tools, and time to transform your acoustic heads into an electronic kit have come to an end. Now, simply snap on and snap off Black Holes equipped with bh Triggers to your acoustic heads and, in seconds, drummers