his/her/their/your feet
Las yemas de sus dedos son sensibles como sus pies.
The tips of her fingers are as sensitive as her feet.
— Don Juan DeMarco (1994)
His feet.
A Tom le gusta sentarse en el muelle con sus pies colgando en el agua.
Tom likes to sit on the dock with his feet dangling in the water.
Por eso se dice que los detectives de aquí investigan con sus pies.
That's why they say the detectives here investigate with their feet.
— Memorias de un Asesino (2003)