The Buckle of Isis represents the womb. So from an anatomical point of view, your body is very aware of where its root chakra is! Buckle of Isis is about growth, with a sacrifice. It’s about fidelity and fertility. And making sure you’re up to date on your smear/prostate test. It’s about the practicalities of life.
This card suggests that great way to feel more grounded would be to have sex. On your own, or with company. Doesn’t really matter!