#slipknot  a knot at the end of a cord or rope that can slip along the cord or rope around which it is made
  supertype:  knot  any of various fastenings formed by looping and tying a rope (or cord) upon itself or to another rope or to another object
  part of:  running_noose__runningnoose__noose__slip_noose  a loop formed in a cord or rope by means of a slipknot; it binds tighter as the cord or rope is pulled
     part of:  hangman's_rope__hangman'srope__hangman's_halter__hangman'shalter__hemp__hempen_necktie  a rope that is used by a hangman to execute persons who have been condemned to death by hanging
        part of:  gallows__gallow__gallowstree__gibbet__gallous__gallou  instrument of execution consisting of a wooden frame from which condemned persons are executed by hanging
     part of:  lasso__lariat__riata__reata  a long noosed rope used to catch animals
  part of:  noose__snare__gin  a trap for birds or small mammals; often has a noose

No statement uses or specializes slipknot; click here to add one.