Since the OP only recently turned the handle to close the stopcock it cannot be seized closed or even seriously stuck. With the handle broken, the use of an adjustable spanner or a Mole wrench to open the stopcock is such an obvious action I can't understand why the OP needed this forum to tell him this.
Because it was not obvious to the OP, a bit like it wasn't obvious to you why the OP needed this forum and why you needed this forum to tell you that. And a bit like it not being obvious to me whether Nikita is in the male or female format so I stuck to identifying the poster as OP.
It is heart warming that we both agree that your condescending response to the OP was unnecessary but it probably made you feel like Donald Trump at the time
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