The guillotine choke, also known as mae hadaka jime in judo, is a chokehold in martial arts applied from in front of the opponent, often on the ground but it can also be done while standing. The choke
Applied standing
Guillotine choke applied on the ground by bottom fighter in a closed guard
The rear naked choke, is a chokehold in martial arts applied from an opponent's back. The word naked in this context refers to the fact that this hold does not involve the use of a keikogi or training
Soldier executing a figure-four variant with hooks.
Khmer bas relief of rear naked choke hold with a Body triangle (grappling).
Rear naked choke hold during Marine Corps Martial Arts Program training session
Grabbing the opponent's free hand is a way to prevent him from fully locking the choke.