With a roll ball rocking arm and balance tray. It is a smart design and convenient to be installed quickly.

备有流滚珠式驻持摇臂及平衡托架，设计巧妙，安装简便，快捷。

youdao

Be in not only abstain from meat, enlightenment can be obtained when praying, be in even mow, listen to the spirit that when rocking and roll, can feel sacred.

不仅在斋戒、祈祷时能获得启示，甚至在割草、听摇滚的时候都能感到上帝之灵。

youdao

Their generation brought us rock 'n' roll, and they're not about to listen to it in their rocking chairs.

NPR: Who's Your Grandma? These Days, Nobody Is