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If the swing is attached to a living tree, protecting the sap carrying live layers of the inner bark may be necessary; Suitable measures of tree protection while attaching a swing include Choosing a grabbing and tightly holding knot such as swing hitch rather than a loop knot such as a bowline for the swing, and thus avoiding sawing or sanding ...
Brachiation (from "brachium", Latin for "arm"), or arm swinging, is a form of arboreal locomotion in which primates swing from tree limb to tree limb using only their arms. During brachiation, the body is alternately supported under each forelimb.
When working outside, the mother could attach the cradleboard to a tree limb using its straps. By pulling the limb, thus causing a bouncing motion, the baby would be soothed. [1] Jolly Jumper claims to have invented the baby jumper in 1910, using an axe handle for the spreader; however the baby jumper existed long before that.
A common malformation of a branch attachment in a tree is the inclusion of bark within the join, commonly referred to as a 'bark inclusion' or 'included bark'. This malformation is known to weaken the connection of the branch to the rest of the tree's structure, as it acts to block the formation of the axillary wood at the branch attachment's apex.
When the tree is lying on the ground, branches may be storing enormous potential energy through mechanical strain. When a branch is cut, often with a chain saw, this energy can be released suddenly and the branch can jump dangerously. In addition, a branch may be supporting the tree, and the tree can fall or roll when the branch is cut.
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One of the main features of TABs is their strength, requiring fewer tree penetrations for robust fastening of a treehouse and hence less damage to a live tree. A typical TAB consists of a threaded metal bolt and a larger diameter collar. The latter provides an extra bending strength by bearing upon the compression strength of the tree grain. [1]
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