Flype

A  rotation of a tangle. The word "flype" is derived from the old Scottish verb meaning "to turn or fold back." Tait (1898) used this word to indicate a different knot transformation than the one understood in the modern definition, illustrated above (Hoste et al. 1998).

REFERENCES:

Hoste, J.; Thistlethwaite, M.; and Weeks, J. "The First  Knots." Math. Intell. 20, 33-48, Fall 1998.

Tait, P. G. "On Knots I, II, and III." Scientific Papers, Vol. 1. Cambridge, England: University Press, pp. 273-347, 1898.