The Shizll® easy retriever is a small cord with a loop to create a prusik on one end and a nicely shaped clip on the other end, designed to attach to a (rigging) sling to use as a retrievable anchor.
You can use the easy retriever in combination with a Spidersling set up (with Arboring)
Easy Retriever 12/13mm clip + Retriever Ball 22mm
Strength: 200 kg
Easy Retriever 14/16mm clip + Retriever Ball 32mm
Strength: 300 kg