9、D ring：The stainless steel D-ring is the basic component of the sunshade sail. It is durable and can extend the life of the sunshade sail. How to install shade sails：Starting from the opposite corner, use a thimble and a clip at one end to assemble a wire rope of appropriate length, and then use a turnbuckle to fix it on the eye bolt of the tree to tighten the span.
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