Used when someone performs a physical act to separate two objects.

Physical Action

Implies that the use of the hitched item is over, often temporarily.

End of Use

Suggests that something previously dependent is now free to move or operate alone.

Used when solving a problem, like loosening a tough knot or unfastening something stuck.

Suggests a simple or undemanding effort is needed to undo or loosen.

In situations where careful detachment is required, to not damage the objects.