These hoop belly button rings are sometimes referred to as captive belly rings or captive bead belly rings. A hoop belly ring is a way to spice things up and do something different than your friends. Hoop belly rings made from titanium are very popular, especially for those with sensitive skin. Hoop belly rings don't get in the way if you are active, unlike a dangling belly button ring. Most hoop navel rings have a bead or ball that hides the piece where the ring separates. Another unique hoop belly button ring which is new to the site is our hoop playboy belly button rings. These stylish hoop belly rings are a great option for an alternative to the horseshoe barbell belly rings.