Open up, as shoelaces (4)
I believe the answer is:
undo
(Other definitions for undo that I've seen before include "Open or unfasten" , "Release button, knot etc" , "Cause downfall" , "Unfasten - destroy" , "set free" .)
I believe the answer is:
undo
(Other definitions for undo that I've seen before include "Open or unfasten" , "Release button, knot etc" , "Cause downfall" , "Unfasten - destroy" , "set free" .)