SPARE HEART RATE MONITORS.

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Does anybody have a spare heart rate monitor that they are not using?
I have lost the watch so only have my belt but I really cannot afford to buy another one as I'm going to Africa to volunteer for the whole summer so I have no money whatsoever at the moment!!!
I live in the UK, but if anyone has a spare one, don't care if it's been used lots, I need one please!!!