"to unclench" in Spanish

CONTEXT EXAMPLES
Context examples for "to unclench" in Spanish(!) These sentences come from external sources & may not be accurate. Therefore, we are not responsible for their content.
despite what some sceptics thought, the President meant what he said: that we will reach out our hand to any party that will unclench their fist.
a pesar de lo que algunos escépticos pensaron, el Presidente quiso decir lo que dijo: que extenderemos nuestra mano a cualquier parte que libere su puño.