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traps case

n. A piece of luggage used by percussionists to transport stands and miscellaneous items. From trap set, an old term for a drum kit.

Wikipedia
Traps case

In music, a traps case is a piece of luggage used by drummers and other percussionists to transport miscellaneous instruments, stands and accessories.

A set of cases for transporting a drum kit, for example, will typically consist of one case for the bass drum, one case for the snare drum, one or more for the tom-toms, a case or bag for the cymbals, and one traps case to transport the remainder of the kit, including:

  • Cymbal and hi-hat stands.
  • Floor tom feet.
  • Tom-tom arms, stands or brackets.
  • Bass drum pedal.
  • Drummer's stool.
  • Drum key.
  • External mufflers.
  • Miscellaneous small instruments such as a wood block.
  • Drumsticks, if not carried in a separate bag.

Typically, a kit drummer's traps case will be the heaviest of the cases when loaded, and is long enough to contain a hi-hat stand without collapsing it, to avoid losing the drummer's adjustment of its height setting.