The M - shaped mascot tried to engage security staff in an arm wrestle .
The M - shaped mascot offered several of the branch 's nonplussed female employees a peek at his ' love letter ' , before posing for pictures with the Kenna chairman .
The M - shaped mascot tried to engage security staff in an arm wrestle and offered several of the branch 's nonplussed female employees a peek at his ' love letter ' , before posing for pictures with the Kenna chairman .