Does the sleeve bother either of you when you are having intercourse? I
I had that same question when I saw it recommended on this site. Searching "foam sleeve" on FrankTalk can bring up a ton of discussions from 2015 and earlier. Going through them convinced me to give it a try. By the way there are also a ton of informed discussions from then and earlier on various ways of using a VED
U & Me sells 3 sizes of the 1" sleeve. What you would get is based on the measured circumference of your flaccid penis. I think they have recommendations based on the measurements.
My wife says she doesn't notice it at all. Guys with the hinge effect say it helps. However, I do know I have it on, but it is less uncomfortable than 2 tight Osbon rings by themselves.
My suggestion is trying various combinations by yourself. Try one ring by itself then the other then both. Do the same with the sleeve. Shower time was perfect for my experimenting. When I did this I found the sleeve with 2 rings gave me the confidence that I would remain rock hard until I removed the rings. That confidence enables me to focus on her enjoyment not whether I can keep the erection. All that said, there is a 20 -30 minute time limit that should be strictly observed. After that time you should remove the rings and allow blood to flow into your penis before re-pumping.
Married 50+ years. Use VED for sex and do
daily exercises with both water and vacuum pumps.