Grappling or Submission Wrestling (also known as submission fighting, submission or simply as No-Gi Jiu-Jitsu) is a wrestling discipline focusing on clinch and ground fighting with the aim of forcing one's opponent to tap out (submission). Grapplers usually try to apply submission techniques such as chokes or the manipulation of major joints (wrist, ellbow, shoulder, neck, knee and ankle). These attemps are supported and introduced by wrestling moves which bring the attacker into a favorable position to apply a submission.  Hence, the well-known BJJ slogan "position before submission". Favorable positions are usually the top position (being above the opponent) or the guard from the bottom position.  

There are several different grappling styles which can be categorized into two major groups, with or without gi (also refered to as kimono):

With gi:

    - Brazilian Jiu-Jitsu

    - Judo

    - Sambo

Without gi:

     - Luta Livre

     - Shootwrestling

     - Catch-as-catch can (American Folk Wrestling)