The cuff also causes tissue ingrowth into the device for long term securement. Bicycle and wheelchair securement areas are on the first level of all coaches. The use of bridle securement decreased the percentage of NGs lost from 53% to 9%. A regulation for seat securement was scheduled to be enacted on April 1 that year. The IRS (Inquisition for Revenue Securement) and NASA (National Astral Spellcraft Administration) also become involved.