"The Ringworm hardware is an easy grip no knot tie out that makes staking out your guy lines extremely simple. They will work great in all types of weather especially winter. With the easy grip tab you can keep your gloves on and easily adjust your guy lines. All that you will need to do is secure the line to the stake, grab the hold tab, and slip the rope under the wing.
Weight – 1 gram (hardware only)
Made from Aluminum
Commonly used for tarp guy lines
Made by Dutchware and of course, Made in the USA."
The above wording is straight from Dutch, and his team.
Check out Dutch's youtube video.
Sold in fours. You will have the option of buying them made up as self-tensioning guyline, elsewhere on this website.