to. This type of restraint generally does not use a seat belt, however seat belts have been added to Behemoth and Leviathan at Canada's Wonderland, Diamondback and Orion at Kings Island, and Intimidator and Fury 325 at Carowinds. Bolliger & Mabillard also uses over-the-shoulder restraints, in that the restraint is placed over the riders' shoulders and sits and extends to the riders' laps. This type of restraint is used on Dive, Inverted, Sitting, Flying, Floorless, Stand-up and Wing Coasters. Bolliger & Mabillard has recently begun using a vest like over the shoulder restraint, which reduces headbanging found on the older, more common padded over the shoulder restraints. These have been met with some criticism from the coaster community, due to the nature in which they tighten during the ride; stapling riders to their seats, resulting in less airtime (negative g-forces) being felt. Track A notable feature of Bolliger & Mabillard roller coasters is the box-section track. The running rails are connected to a box-section spine, instead of the circular spine used by other manufacturers. When a train travels around a box-section track, it creates a one-of-a-kind whooshing sound, which is sometimes nicknamed the “B&M roar” by roller coaster enthusiasts. However, on some Bolliger & Mabillard roller coasters, such as Talon at Dorney Park & Wildwater Kingdom and GateKeeper at Cedar Point, the track is filled with a proprietary sound dampening material to reduce this noise. Also, depending on the model of the roller coaster, the track size can vary. Models such as the Flying, Wing and Dive Coaster have heavier trains which require a larger track size while models with lighter trains, such as the Stand-Up and Hyper Coaster, do not and use a smaller sized track. Brakes As of 2016, Bolliger & Mabillard uses three types of braking systems: friction, magnetic, and water. Friction brakes When B&M was first founded, the linear magnetic eddy brake had yet to be developed, so it used friction brakes as its main braking system. On the train, pads are fitted on the vehicle chassis between the wheel assemblies. On the brakes, similar pads are connected to steel supports. When the pads on the train come into contact with the brakes, friction is created which slows the train. Beginning with Kumba in 1993, friction brakes have also been used as trim brakes that regulate the speed of the train while it is still navigating