One of the best weekly subscriptions I scan is for Teaching Channel, which has high quality videos of classroom instruction. I noticed this pertinent video, demonstrating the 1-3-6 protocol we used at an earlier staff meeting this year (aka 'Pyramid'). I noticed they have several videos about teaching collaborative skills to students.
Check it out!
https://www.teachingchannel.org/videos/1-3-6-protocol?utm_source=Teaching+Channel+Newsletter&utm_campaign=11d506d746-Newsletter_November_09_2013&utm_medium=email&utm_term=0_23c3feb22a-11d506d746-222980733