Originally Posted by
GrizzlyAdams
???
The soft shackle shown (and by the way, I too am a fan of using a sliding knot to close the loop rather than a bury loop) replaces a carabiner. I don't see that it has any relationship to a Marlin spike hitch, per se. You could use the soft shackle shown at the end of a webbed based suspension system rather than a biner (i.e., wrap the end with the soft shackle around the tree and connect to the webbing on the far side), and have the "single connection set up and take down" that appeals to you.