Cold Brew Coffee is the use of ice or cold and then cold water drip through the coffee bean powder slowly, may be up to 3-4 hours. Slow life is much more than a cup of coffee.
In Thailand there are also shops that use this kind of brewing. Probably have to order to deceive, because one day probably only 1-2 glasses
Cold Drip Coffee Equipment: Claude Drip Coffee Maker, Grinder and Blend Coffee Beans, you can make cold pressed coffee. Which the taste is pleasing to you easily at your home or office