Here are a couple of places where wallbanges could be helpful.

https://steamhost.cn/steamcommunity_com/sharedfiles/filedetails/?id=390497167
The elevator by B site Foutain, Players could wallbang people on the otherside which are either planting or just waiting for the T's to rush B. Could be helpful in some situations.

https://steamhost.cn/steamcommunity_com/sharedfiles/filedetails/?id=390497183
Otherside of the Elevator and where the bullet would come out of.

Another good place would be the wall in A LONG Which has the A symbol on it. ttp:/steamhost.cn/steamcommunity_com/sharedfiles/filedetails/?id=390497325
If player shot out of this it could damage ct rushes or camping CT's which are waiting for the A Long push.

https://steamhost.cn/steamcommunity_com/sharedfiles/filedetails/?id=390499982 Where the bullet would come out of.

And lasty there seems to be a bug where on A site where players inside A can wallbang this area but players com into A can't.

https://steamhost.cn/steamcommunity_com/sharedfiles/filedetails/?id=390500039 - Spot where people in A can wallbang

Spot where players running towards A can't wallbang but people in A can https://steamhost.cn/steamcommunity_com/sharedfiles/filedetails/?id=390500086

That's all for now i might update this later on!