The cheerleader skirts are split nearly to the waist at ever pleat, but just along the fronts. Actual cheerleader skirts are not made this way.
The guy at the marina is driving a railroad spike with a hammer that is no heavier than the spike. A spike like this would have to be driven (hammered) with a long-handled, two-handed, sledge hammer.
The letter with a return to sender stamp does not have a canceled postmark. If it had ever been attempted to be delivered, it would have been canceled by the sending United States Post Office.