That answers my question. It gives me an idea of what shapes work. For example, the outside is wide circle so that isn’t prohibitive. Thank you!

What type of plug do you have? I’ve thought about similar things with my partner but could imagine the shape of the plug could make it uncomfortable. What’s the “outside” shaped like?

I brought that up to my partner the other day. Not doing it all day, but just during dinner. Anything we need to watch for like the shape of the plug or anything? I want it to be fun for her, not painful.