Page 349 - Complete Krav maga : the ultimate guide to over 250 self-defense and combative techniques

back.

When attempting this technique or the variation, do not reach out with your arms
or straighten them, which would expose you to an arm bar.

VARIATION: It is also possible, if the attacker is fairly close to you, to try to
“hug” him tightly to your chest. This inhibits his punching ability. From there,
work toward a trap and roll (page 227).