The Reidemeister move of type III.
Slide Move
See also
Knot Move, Reidemeister MovesExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Slide Move." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/SlideMove.html
The Reidemeister move of type III.
Weisstein, Eric W. "Slide Move." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/SlideMove.html