So it wants her feet, but it will accept her shoes instead?
Also, translation is a little weird here.
Should be using language for one sandal rather than a pair since he only throws one.
"Are those sandals yours?"
"Can you lend (them -> one) to me for a bit?"
"Don't worry, if nothing happens, I'll get (them -> it) back."
"Can you hand me the other (pair -> one)?"