Sode Tsuri Komi Goshi by Sensei Koji Komuro (Komlock)

https://www.youtube.com/watch?v=Z9FthALCIuA
As an extension of arm drag and side stepping exercises, this attack is a great follow up attack once off side

Koji Komuro - Russian Roll Armbar（Yaskevich Juji-Gatame）

https://youtu.be/6_hfl1hqRic

Attacking the turtle while seated above
Drop off to one side, post
Secure lower back/hips with legs
Secure arm
Drop top leg to opponent's neck
Scissor legs and turn into opponent
Swing top leg from neck to over head

Juji Gatame (Armbar) Turnovers - Attacking the Turtle Position

Newaza specialist Koji Komuro shows variants of the Juji Gatame turnover to attack the turtle position

https://www.youtube.com/watch?feature=player_embedded&v=wCbFlRYawm8

Kesa Gatame Turn Over by Koji Komuro

https://www.youtube.com/watch?feature=player_embedded&v=nDsLUL4cF5Q

Turn over counter to being held in Kesa Gatame (Scarf Hold) by shrimping out until the opponent pushes in to maintain position, slipping under his center of gravity, then rolling him over.

Kote Guruma Jime - Loop Choke from Butterfly Guard

Noted Judo Newaza expert Koji Komuro shows us how to perform a Loop Choke from Butterfly Guard:


http://youtu.be/OIl5-9Jq3ek

I do not have the Japanese translation, but the main steps are as follows:

From Butterfly Guard (Upright, Feet Hooked on Inner Thighs)

Grab Lapel Cross-Side Around Collar Bone Area

Pull Down and Break Posture so Forearm/Wrist is Across Neck

With Other Hand, Reach Over Back of Neck and Grab Inside of Sleeve of Choking Arm

To Finish, Pull Arms Out While Expanding Chest and Turning Body Towards Choking Arm in One Motion