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| Typical failure of plastic lawn edgings. |
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| The "knuckle" overlaps the joint and connects to next section. |
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| The next section receives the knuckle from previous section reinforcing the joint. |
Most plastic lawn edging are milled, at the ends, to create overlapping "tongues". When the manufactures remove the excess material to create these tongues they are removing structure integrity of the material. Even when the tongues are properly aligned and secured with the recommended hardware, failure is imminent! The tongues are weak and too thin! The tongue will actually break off, from the edging or the screws, destroying any chance to re-install at a later date.
The Knucklehead Edging connecting joint consists of a left side and a right side that fit together like a puzzle! The knuckle extends 4 inches from one section and is received by the next section which has 4 inches of knuckle removed. For further reinforcing, Knucklehead Edging uses a "backing plate", that still allows for the installation of low voltage wiring and drip tubing, while added structural integrity to the joint.
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| Knucklehead Edging overlapping connection. |
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