percussion -> membranophone
percussion -> idiophone
percussion -> idiophone-> scraped -> scrapers
percussion -> idiophone-> friction -> glass rubbing instruments
percussion -> idiophone-> struck -> concussion (hit together)
					clappers, sticks castanets
percussion -> idiophone-> struck -> percussion (is hit, or hit on something)
					xylophones(bar) gongs, triangles, bells, boomwhackers
percussion -> idiophone -> shaken -> (external, internal, open )shakers, calabashes, gourds, rattle
percussion -> idiophone-> plucked -> lamellaphones, mouth harps, etc
percussion -> thingyphone -> (idk?)

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egyptian ancient clappers:
evolve
  sticks
  castanets
  clappers

clappers:
  slapstick / whip https://beta.musicbrainz.org/instrument/0b9887d6-e05d-42b0-bdfc-02c36b930642
  https://tickets.metabrainz.org/browse/INST-282 closed as covered by the above
  song loan https://beta.musicbrainz.org/instrument/147b8ca4-462b-4301-98a2-5df86700d30e
  sapek clapper/sênh tiền https://beta.musicbrainz.org/instrument/67115113-23f7-4080-a454-c4575b101c70 (merged/fixed)

sticks:
  bones https://beta.musicbrainz.org/instrument/4710ed73-78e7-4ba4-8c02-5bc2da1f611b (updated)
  claves https://beta.musicbrainz.org/instrument/4846eef6-2901-41cf-bae1-a27ff708fc54 (updated)
  Hyoshigi https://beta.musicbrainz.org/instrument/f96573d5-a52c-44b6-8af4-8a7f010bb2d8 (added)
  thunder sticks https://tickets.metabrainz.org/browse/INST-739 closed as incomplete due to no musical use found (for now)
  boomwhacker https://tickets.metabrainz.org/browse/INST-751 (added, but not a rhythm stick)
  krap https://tickets.metabrainz.org/browse/INST-752
... https://tickets.metabrainz.org/browse/INST-750
... https://tickets.metabrainz.org/browse/INST-756
... https://tickets.metabrainz.org/browse/INST-755
  drum sticks https://tickets.metabrainz.org/browse/INST-406 closed as wont fix (for now)
  lummi stick https://tickets.metabrainz.org/browse/INST-753 closed until proven musically used
  rhythm sticks https://beta.musicbrainz.org/instrument/f1e042f5-2a09-47b1-9cdf-1018d239d330 (what to do with?)
  clapstick https://tickets.metabrainz.org/browse/INST-783 (it seems the majority of the credits for rhythm sticks is this...)

cymbals:
crotales https://beta.musicbrainz.org/instrument/e599d391-7a7c-491d-9843-2cdd140b23d4 (fixed)
krakebs https://beta.musicbrainz.org/instrument/1bb67401-1501-4259-803a-c7c8e45c7624 (linked)
castanettes https://beta.musicbrainz.org/instrument/dd53d958-d4dd-43df-bf61-2e62d4772109 (updated)
tōkere https://beta.musicbrainz.org/instrument/90bd690b-f86d-4ea3-b87d-f945b1ab9e38 (updated)
spoon https://beta.musicbrainz.org/instrument/8dfbf2ce-239d-4e6e-90c1-4467a8c853ba (linked)

combos:
chinese https://en.wikipedia.org/wiki/Guban_%28instrument%29 (it consists of the following: )
  drum: bangu Q4077510
  clapper: https://en.wikipedia.org/wiki/Paiban

vietnamese
phach https://beta.musicbrainz.org/instrument/8e3196e6-2720-4562-8877-3cced6cdb063

(this is just a ticket for myself to document what I've done and will do.)