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In page Joanne Catherall:

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Because the girls were 17 and 18 years old, the final decision regarding going on the tour lay with their parents.[citation needed] The parents of both the girls were unhappy with the idea and initially refused to give their consent. This was overturned reluctantly when Oakey, complete with his then trademark lop-sided haircut, red lipstick and high heeled shoes, visited both sets of parents to convince them that the girls would come to no harm.[citation needed] Catherall and Sulley's school also agreed to the absence, as it was thought visiting Europe would be educational.[citation needed][1]