Batman need awesome fast action tools to help hime, I bet he uses this awesome double bladed pocket knife.
This is an all black pocket knife that features a grey Batman bat symbol along with a printed grey “BATMAN” on the face of the knife.
When the double blade knife has both sides open it measures 11 inches wide and locks when the blades are open and easily closes, the blades also lock when closed to safely put in your pocket. Made to be very durable from anodized aluminum and the blades made from 440 Stainless Steel.
Get a look at the DC Comics Batman Double Blade Pocket Knife.