When teaching classroom guitar or classroom ukulele having some tools to get your class to quiet down can be essential. In this video-blog Mike Christiansen teaches the concept of “rest position” and gives you some tools to help calm the chaos.
Professional Development & Curriculum for Classroom Guitar
The “face down” method is a good one. What I now do; “Hold up your left hand; hold up your right hand; intertwine your fingers; place your hands on the shoulder of your guitar; this is “Hands Position”. I tell my students “Hands” and they assume the position.