Holding Mrigashirsha hasta in both the hands, crossing the hands and touching the shoulders.
Viniyoga slokam:
Alingena cha Lajjayam angadadipradarshane
balaanaam shikshanechayam utsange yujyate karaha
balaanaam shikshanechayam utsange yujyate karaha
Meaning:
Used to denote embrace, to show shyness, to show body(angam), Teaching (shikshai) children.