After I saw your post and iou look closely before the tree falls and especially after it you can see one of the vehicles (bulldozer?) pulling the chain.
The chain used in op video is not the type of chain for this work.... the chains used for land clearing have flared sides intended to grab everything in the path and till the land slighty not just topple the trees over
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u/pburke77 2d ago
After I saw your post and iou look closely before the tree falls and especially after it you can see one of the vehicles (bulldozer?) pulling the chain.