There are a couple options out there.
I use a long whoopie sling run through the middle of the channel ends on my hammock. Makes it difficult to adjust after laying in because everything get's cinched down pretty tight, but once you have it adjusted just right just set it and forget it.
Some people use rings that connects the hammock, suspension, and ridgeline together. Sometimes the suspension line is used as the ridgeline with the rings as in the Single Line Suspension
Most of this information can be found in the suspension systems forum.
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