a cork base a rounded, hollow, plastic or feather skirt a rounded, plastic or rubber cap a groove or recess around the base a string or other material attaching the skirt to the base a flight path when thrown or hit
shuttlecock which is a cork base shuttlecock which is a rounded, hollow, plastic or feather skirt shuttlecock which is a rounded, plastic or rubber cap shuttlecock which is a groove or recess around the base shuttlecock which is a string or other material attaching the skirt to the base shuttlecock which is a flight path when thrown or hit