Jill uses a California Free Former model skateboard. They were the largest skateboard manufacturer during the 1970s.
Jill facetiously said she thought a photograph of Harry S. Truman was James Whitmore. Whitmore portrayed Truman in a one-man play, movie and album entitled Give 'em Hell, Harry! (1975). This would relate to Sabrina's line, "Give 'em Hell, Maggie.