The new PD In Focus channel offers a number of instructive video clips on a variety of subjects related to Common Core State Standards implementation. (ascd.org)
My old roommate doesn't go to yoga classes anymore because she found she could watch free instructive videos on YouTube. (datingadvice.com)
The Floor Pull (an alternative to the pull up) This is a great instructive video, in it the movement is called the two arm drag and starts at approx 1:00 but if you have the time I recommend you watch the whole video for other great suggestions and variations. (fitbodyhq.com)