A joke so obvious it may even justify the modern trend for inserting the word "obviously" into sentences for no apparent reason.
Metal detection benders like yourself are down stream from paranormal investigation teams & water diviners with bent coat hangers desperate to seem quirky
I'm deeply offended that you consider paranormal investigation above metal detecting. Jonno the Charlton fan wandering around a disused building calling out "Hello Krays" is a better way to spend the weekend than what I do? Might need counselling after this.