Roller skating (Roller skating), also known as roller skating, roller skating, is wearing a wheel with a special shoe in the hard ground on the sliding movement. Most of today's roller skates use straight wheels, also known as brush, 66, (straight row of ice lovers on the sport of another name, from the ice in the wheel and the ground when the sound of friction, while Also known as skates for the "brush", said the road skating as "brush street", and 66 with the yo same tone, more interesting and easy, mostly for the fans of the mutual name).