https://www.youtube.com/watch?v=5bYRc0nm8WQ

https://www.youtube.com/watch?v=-bBtkTGmLgc

The first link is alight for setting up the cannon. The second link shows a minni black canon similar to the one we are animating. If using it as a guide, make sure you amplify the kick and weight etc due to it being half the size.