Can you use these with condoms?

Helpful topic info on Vibrating penis ring:

Do you listen to music during sex?
I tried having sex with some music on the other day, and it wasn't as sexy as I thought it would be. Our first problem was that we couldn't' agree on.

Penis rings or Pumps, which is the best?
My hubby and I would like to try out some cock rings, but we don't know what to choose. It seems that many of them are disposeable, which is not what.

Looking for a good cock ring!
My husband and I tried out the free c-ring, you know the one. Now we're looking for something a little more permanent, for under $40. I've been...

Do Cock rings actually feel good?
I personally don't get any sensation from the vibrations. How does it affect you?

cock rings for new users
me and my husband needs to spice things up in the love life... we have never used any kind of rings. can someone explain to me the use and any...