Can't do a chinup / pullup? Don't worry 單槓一下都拉不起來? 沒關係

魔術僧教你一步一步來。The magic monk will show you step by step how to do it.

看不到Youtube的朋友可以看優酷。

http://v.youku.com/v_show/id_XMzE2OTA3NDE5Mg==.html?spm=a2hzp.8253869.0.0