Can Hada in Inner Mongolia be tied to his arm?

Of course. According to official website of Chifeng Culture and Tourism Bureau, Hada is a gift for Mongolian people to show their respect. Offering Hada is an indispensable custom in Mongolian daily life. Don't put Hada around their necks. Mongolian Hada is usually presented with both hands, accepted with both hands and worn on the arm.