In this paper, mod $n$ colorability is discussed and applied to tame links, tangles, wild knots and non-compact knots. In particular, colorability is used to obtain elementary non-unknotting criteria for wild knots and non-untangling criteria for tangles.
"Applications of Colorability to Links, Wild Knots and Non-Compact Knots." Missouri J. Math. Sci. 6 (3) 124 - 138, Fall 1994. https://doi.org/10.35834/1994/0603124