The classic internet rectal foreign body... or is it? [Gynecologic] [XR] [US] [MR]

On the left side, 2 x-rays of 2 different patients with 2 different objects in their pelvis. Internet denizens would no doubt instantly diagnose these as accidental rectal foreign bodies from people falling on their butts. However, these are both pessaries used to treat pelvic organ prolapse. The top one is an inflatoball pessary. The bottom one is a ring-shaped pessary that we see on edge.