If you have a loose sink faucet it may be a loose or broken locknut. This video will show you how easy it is to replace your sink locknuts.
This is an example of how to build a pre-equalized anchor with two bolts. I used short cord material (1x dbl. shoulder length sling) since we an extension was not necessary to avoid extensive rope friction over an edge or rock. This is a standard two bolts anchor that is also often called a “sports anchor”