scob

Noun

(weaving) A flaw in which the weft misses a few warp threads. / (Winchester College) A wooden box with two lids, used as a storage box and movable desk.

Japanese Meaning

（織物）経糸の一部に緯糸が交わらないために生じる織りの欠陥 / （ウィンチェスター・カレッジにおいて）二枚の蓋が付いた木製の箱。収納用および移動可能な机としても用いられる

What is this buttons?

I noticed a small scob near the edge of the cloth where the pattern looked uneven.

Google Translation / DeepL Translation

布の端近くで緯糸が数本の経糸を逃した小さな織りの欠陥に気づき、模様が不揃いに見えた。

Details

Sense（1）

(weaving) A flaw in which the weft misses a few warp threads.

A scob, again, is a blemish in the cloth arising from the interruption of the threads in shedding, preventing the proper interlacing of the warp and the weft.

Google Translation / DeepL Translation