Video 2 of makhraj al-Jawf is online. This video presentation is about makhraj al-Jawf, the articulation point of the vocal and throat area which has three letters: Alif sakinah preceded by fath`a, waw sakinah preceded by dhammah and yaa sakinah preceded by kassrah.
Watch the second video presentation of makharij (al-Jawf i.e vocal and throat articulations area)