Need an ignition interlock device near Berwick? Intoxalock is available at Skippy's Auto Sales, a certified Intoxalock ignition interlock installer. We can install your breathalyzer in cars, trucks, vans and other vehicles.Skippy's Auto Sales is a family owned and operated business in Berwick, PA. They understand that the economy has ups and downs and want to help you by financing without getting a bank involved. Since 2009 they have been an authorized ignition interlock installer for Intoxalock.