Service plans do not include hotspot tethering. In most cases, the carrier charges extra for tethering an iPhone. Windows 8.1 adds support for NFC printing, mobile broadband tethering, auto-triggered VPN and geofencing. In March 2009, reports surfaced that several tethering apps were banned from the store. Wi-Fi Tethering, BlackBerry Tag and UMA calling. Neurological symptoms are nonspecific, indistinguishable from other causes of cord tethering. The downtown area also featured hitching posts for tethering horses as well as public outhouses. Other ways of tethering may be possible. It is thought that these were tethering points for the sacrificial animals. It would consist of 54,000 prefabricated sections held in place by 100,000 tethering cables. The rings for tethering horses can still be seen on some of the pillars. Participants considered selling kits for consumers interested in tethering horses. Diffusive forces are somewhat like mechanical tethering at the molecular level. Sialyl-Lewis is important in leukocyte tethering and rolling. Many of the phalanges recovered exhibit pathologies that are suggestive of tethering.