The guillotine choke, named after the decapitation device, is a common front choke utilized by a number of martial arts.
If you do not protect your neck carefully, especially when shooting in for a takedown, the guillotine choke is one of the quickest ways to lose a fight.
Some fighters, like Sean Sherk, seem to have a supernatural ability to withstand the choke, but never underestimate an opponent's guillotine ability.
Most fighters must concede defeat immediately when the choke begins relieving them of their consciousness, but still some, like many on this list, cannot succumb soon enough to avoid the results of being put to sleep.
These are the top 10 guillotines in UFC history.