Bolt the Door + Chop 摇闪(闩)把加劈
In the chop, upper arm pull back from the elbow.
Yao Shan Ba (Bolt the Door) can be combined in many ways. Here's what it looks like combined with a Chop.
You can practice a few different ways. In this video, I'm following a rhythm "YSB slow, Chop fast". You can also train "YSB fast, Chop slow".