I don’t mean messing around with them, I mean intercourse with a butt plug in. This is an exercise for women although there are variations. A man with a butt plug can fuck with the enhancement of the stimulation from the plug. It can be increased with a vibrator plug, a shaped vibrator plug or an enhancing enema. Certainly fellatio with a butt plug is greatly enhanced.
Females can be used either with dildos, strap-ons or true intercourse. The variations are probably greater for females [three easily available adjacent portals]. Straight fucking with a plug in is probably easiest for the initiate in the doggie style. The plug can be felt but is held up and out of the way. There is little additional pressure on the plug. The likelihood of accidental plug release is decreased with pressures in the direction of insertion. Large or heavy dildos should be kept away from the back wall of the vagina. Additional pressure may be obtained by catheterizing the bladder with a balloon catheter [be careful with this] and then fucking doggie style or supine on a bed edge or table.
For those of you who have had intercourse with an enema, you know the pleasure of the additional pressure or the joy of having the contents moved about with the motion. Plugs provide a safe way of retaining fluid or not having to use fluid to get a similar feelings or effects. The best, of course, is the ability to wear a plug in a public place or have your slave wear the plug with the only awareness between you.