Concerned about all those burglars, alcoholics, sex offenders and the rapidly increasing numbers of antisocial scoundrels in modern society? The Israel Defense Forces (IDF) has a way to teach us how to look after ourselves in an increasing violent world.

It’s call Krav Maga, Hebrew for “contact combat” and has become the gold standard for the IDF’s soldiers facing hand-to-hand battles with terrorists, militants and anybody else trying to take them down. Krav Maga techniques have become so popular that people around the world from children to adults are using them to keep the villains away.

Krav Maga was created by Imi Lichtenfeld, a Hungarian Jew who had to fight off fascists and antisemites while defending his Jewish neighborhood in Bratislava, Czechoslovakia during the 1930s. When he made Aliyah (immigrated) to Israel in the late 1940s the army saw Lichtenfeld’s skills and asked him to train soldiers during Israel’s War of Independence.

Hold no punches

Krav Maga develops the instincts and reactions necessary to overcome an attacker in a...