sentence: Ice skates have narrow pieces of metal on the bottom of the shoes.
sentences_before: People wear special shoes to skate on ice. These special shoes are called ice skates.
sentences_after: People balance on these pieces of metal. People can move on the ice from place to place by sliding on these metal rails on the bottom of their ice skates. Professionals compete in ice skating competitions.
concept_name: ice skate
headings: Ice skating
categories: Skating