How Everything Works on Instagram: "Mortise and tenon tree felling is an advanced technique used by professional arborists to precisely control the direction and speed of a tree’s fall, especially in confined or high-risk areas. The method gets its name from traditional woodworking joints: the “mortise” (a slot cut into one section) and the “tenon” (a tongue-like projection on another) that fit together. In tree felling, this principle is applied by cutting a precisely shaped notch—known as the