Unknotter 

When you think yourself into a knot, and someone else undoes the knot.

"God, that guy thinks himself into knots all the time and has to call the unknotter to fix it"

Unknotter by MPolicy1 November 1, 2017

unknotted 

to have untied a knot or brushed out a knot

She unknotted her hair with a hair brush

unknotted by MusicalGal222 January 13, 2014