「Many strokes with erotic feet」are repeated small motions taken by a person with no-longer-integrated bones in her almost continuously tightly-bound feet.「Pubic hairs and many strokes with erotic feet」are repeated small FOOT MOTIONS taken by a person grasping a no-longer-integrated foot raised off the floor, to one side, with one foot and split legs. Like it or not, there is only one explanation for the elements「short pubic hairs, a pelt」being paired with「erotic no-longer-integrated feet, divine prepubescence with adult male person.」
「Many head slidings of taut erection with prepubescent female」as depicted in erotic Chinese art, refers to men in dynastic China masturbating by wrapping no-longer-integrated feet around an erect penis ostensibly to lower the risk of contracting a sexually transmissible disease or infection that often occurred when performing coitus within some sort of mucous membrane system of a female service provider, and, to gain hand-control over the pressure applied to the foot meat surrounding a weakened penis that functioned as a living cockring.
「Bound feet were a mark of beauty that became a prerequisite for finding a husband, as well as an avenue for poorer women to marry into money. Women, their families, and their husbands took great pride in tiny feet, with the ideal length, called the 'Golden Lotus,' being about 7 cm (2.75 inches) long. …The process was started before the arch of the foot had a chance to develop fully, usually between the ages of 2 and 5.」
[ https://en.wikipedia.org/wiki/Foot_binding 2012-12-17 ]
FOOT MOTIONS, or MOVING FEET that may not entail literal locomotion (from Latin「place of motion」with limbs, flagella, or other bodily appendages) or perambulation, although arriving at a climactic goal was keenly involved. These feet were unbound and placed into service as a surrogate orifice (足), at which time the elements become「many strokes and head sliding with erotic feet」:「Qing Dynasty sex manuals listed 48 different ways of playing with women's bound feet」(after removing the binding cloths, of course)
[ https://en.wikipedia.org/wiki/Foot_binding 2012-12-17 ]

External source definitions …excluding politically incorrect concepts and other meanings deemed offensive today; may include extended definitions, euphemisms, and mnemonics)
Chinese: to walk (side part of split character)
Japanese EDRDG: walk, walking
Unihan extended: walk; walking