It's definitely different than the others I have. I have to be a little careful of how I sit because I can pinch some of my cheek between the plug and the seat. It's not so bad with a silicone one, but it hurt with this glass one. It's noticeably heftier; like there's more there.
I think I prefer toys with a bit of squish though. Plastic toys, and this one, all kinda hurt when I cum with them in. When I managed to work my dog cock dildo in, it wasn't quite as bad as I'd expected it to be, and I'm guessing that's because it had some give to it. The silicone toys squish a little, while the plastic and glass stuff I've used has all stayed firm.
Hopefully real cock will be the next thing to learn about in there.