Apollo is sleek, swollen, and jusssssst flexible enough. Once it's in, it'll line up with your or their prostate, plus other anal sweet spots. Apollo's comfy slanted shape makes perfect positioning easy, and the curly handle is excellent for customized massage situations.
The TPR Probe is phthalate-free, easy to clean (use soap and water or a favorite toy care fluid/foam), and good to go with any water-based lube you love.