One kid walks in and ask for a mechanic costume saying he really wants to be an automotive mechanic when he grows up. You decide to not only hand him the costume but included that once he puts it on and become a woman she'll have the skills to fix a car and people will naturally trust her to work on their vehicles. But lastly you also included that each time she works on a vehicle there will always be a small chance that the owner will spontaneously turn into a sexy woman as well.
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