here are some current vids of different positions for DOAsc
VoR
https://www.youtube.com/watch?v=0Y_h-NgKv3I
UA
https://www.youtube.com/watch?v=FSCEErSdghs&feature=mfu_in_order&list=UL
DF
https://www.youtube.com/watch?v=NoX06_Gf8HA&feature=related
other positions are available just look in his channel