And am I using them right?

I got these in a PIF from a member who said a vendor had sent them with an order. I got the PIF for the Dutch Clips, but one I got a good look at these, this whoopie sling application seemed right. Is it?

I got the hammock up and sat in it, but didn't hang around to hang around as it was starting to rain a tad, and it was getting kinda windy: