In other words, the rectum does not self-lubricate like a vagina.
For starters, dildos don't always have a flared base.
The clear version also makes it possible to see right into the other person.
I forgot to walk the dog.
And if you're using a butt plug with multiple partners, practice safer sex by putting a condom on it and using a non-oil-based lube before each use, advises Ortmann.
Play around with different sizes and shapes to see what feels best.