. . . "Yo-Yo" . . . . . . "Yo-yos" . "YOYO" . "freehand yo-yo play" . . . "Yo-yo#Looping (2A)" . "yoyo" . . "Yo-yo" . . . . "Yo-Yoer" . "Yo-yo#Sleeping" . . . . "the toy" . "Duncan Yo-Yo" . . . . . . "Yo-yo" . . . . . . "yo-yos" . . . "Yo-yo#Butterfly" . . "Yoyo" . . . . "Freehand yo-yo technique" . . "Yo-yo#Looping" . "History of yo-yo" . "YoYoing" . "yo-yo" . . . "Yo-yo#Techniques" .