2006 New York Code - Roller Skate.

 
    §  140-b.  Roller skate. A manufactured or assembled device consisting
  of a frame or shoe having clamps or straps or both for fastening, with a
  pair of small wheels near the toe and another pair at the  heel  mounted
  or  permanently  attached  thereto,  for  skating or gliding by means of
  human foot and leg power.