Helping kids with LD, ADHD or other differences understand body language is good; But also understand that some kids are challenged by such social norms. if a kid is shuffling his feel, making random hand motions and looking around the room does not mean he's not listening, it just means he might have ADHD, or other difference.
Attention Grabbers. To get the class' attention, The teacher says a certain phrase and students have a response to say back. Ex: teacher: "Hocus Pocus" Then students say: "Everybody focus" Or, T says: "Chicka Chicka" then students say "boom, boom".