My anchor is basically this:
https://www.amazon.com/NextClimb-Stake-Pets-Outdoors-Inch/dp/B07W4185XJ/ref=sr_1_7?crid=33C5DRWIY7U7B&dchild=1&keywords=screw+in+dog+anchor&qid=1619462791&sprefix=screw+in+dog%2Caps%2C187&sr=8-7