So, the imaging is really straight forward as far as usage, inserting the shorter end into a vagina. From there on, using the protruding end as the dildo for the additional user.
This is best for in-shape couples because the strap-on aspect is relatively short. If you have too much body mass in the way, as we did, it won't be as usable and less pleasurable for the wearer.
As with any toy, start gently, then start going insane once you're both comfortable!

Fairly stiff silicone, we didn't do a taste test because we used it anally
Unrealistic look and feel, but it does feel great! Vibrations are not strong, but definitely present.
Made for beginners, more advanced users will probably want something larger.

The short insertion aspect made it ineffective as a strapless strap-on for us.

The vibrating bullet isn't super strong, but it makes the dildo effective for the one getting f**ked

Soap and warm water, storing after dried. We didn't test the waterproof aspect of the vibrator, we removed it before cleaning