godan verb (-su), transitive verb
Transitive verb for making hair, thread, or similar things curly or wavy. Often used with 髪 (hair).
彼女は毎朝ヘアアイロンで髪を縮らす。
She curls her hair with a curling iron every morning.
この糸は熱を加
This thread can be crimped by applying heat.