If you suffer anxiety in any kind of situation (eg do you get anxious even thinking about an event/experience) and want to spend some time overcoming it then it is a cheap way to make progress. You can donwload a free what to do from this site this has it step by step.
Of course it may work by pure exposure or divided attention but it should help!! after a few repetitions. Good luck!! (it may actually not matter where you tap but try to follow the guide!) | 
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