Buzz bars

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Single-position lap bars on wooden roller coasters are commonly referred to as "buzz bars," a slang term named for the buzzing sound the bars make as they release. Only older wooden coasters and junior wooden coaster trains still use these bars. Most parks have switched to individual ratcheting lap bars, similar to the lap bars found on steel coasters. Many enthusiasts agree that single-position buzz bars give better air time on rollercoasters, as ratcheting lap bars tend to lock further during the ride in many installations.

The traditional "pirate ship" style thrill ride often utilizes this type of restraint, as does the Troika.