ホモテナシ

But there are others, called the 出入かた

metal things (made by 中川浄益)
- 風炉
paper things (made officially by 奥村吉兵衛):
- 掛物（かけ　もの）
bamboo things (made officially by 黒田正玄):
- 茶杓 (even though exactly that, a 茶人 makes themselves)
- 蓋置
textiles (made officially by 土田友湖)
non-楽 ceramics (made by 永楽善五郎)
楽 (made by 楽吉左衛門)
- 茶碗 like 重茶碗（かさねじゃわん）
lacquered things (made by 中村宗哲)
cast-iron things (大西清右衛門):
- Miyazu looks really high quality and rather expensive, and good for looking up names of items.
- 釜
一閑張 lacquer (飛来一閑)
wooden, non-bamboo things (駒沢利斎)
- 棚
- 盆 like the 高杯（たかつき）, tray for serving sweets to a nobleman used in 貴人点（きにんだて）

things related to 炭:
- 灰
- 炭取
- 香合
things related to water:
- 水指
- 建水
茶器
- types of 茶入
- types of 棗
- Symbols has a list of designs that can be found on 棗, for example.

数寄者（す　き　しゃ）-style : they are private, reflecting the 茶人's taste (→ 好み）and aspiration.
Hatakeyama Issei: A tea devotee will not reveal to others what kind of tea utensils he has in his private collection. At a tea gathering, an event based on the principle of 一期一会, the element of suspense as to what utensils will be used is essential. (Funnily, his collection ended up in a museum)
they are public, common property as objects of art

→ I wonder, can they take up that role simultaneously? CQ76 has an article that argues they cannot.