No mess, no fuss. One can insert it directly into the anus perhaps over fingers, or you can put the condom over the penis and gently slide the condom in. The person doing the penetrating needs to monitor the outer ring to make sure it does not slowly move in. We have been amazed at the success of the female condom. Women love the female condom.
Men love the female condom.
Men say it's a nice change to have someone else get the condom on.