If you can do it, this is suh-weet! We bolted two rounded garage door handles into the concrete garage floor of my studio. They needed to clear more height in order for the handles to fit undernearth easily, so we stacked washers.
And it's time to bliss out! This is my DH Reed emulating a lateral shoulder raise. Note that he is a model, just here for his pretty face, not an athlete.
There are so many exercises you can do on your crossover rig - chest press, tricep ext., bicep curls, lat rows, you name it. When you've got handles in your floor, you have arrived.