Former UFC champion Frank Mir has some of the organization most impressive submission wins:
Kimura against Minotauro, armbar against Tim Sylvia, Kneebar against Brock Lesnar, Toe hold against Tank Abbott, Mir lock against Roberto Traven and his powerful guillotine against Cheick Kongo at UFC 107.
In this video, Mir shows the exact details that ensured that his guillotine was formidable enough to submit the dangerous striker Cheick Kongo.
Sloth Jiu-Jitsu: you can be slow and unathletic and still kick butt in Jiu-Jitsu.