“Tawashi” are various types of scrubbers which could be used to clean dishes, windows, and other household items.

Pattern is Japanese but fully charted using standard crochet symbols.

Hook: Japanese size 7.5/0 = 4.5mm, between US G-6 (4.0mm) and US H-8 (5.0mm).

Yarn (Hamanaka Bonny):
36
Yellow-Green 黄緑 (476) 10g
Natural 生成り (442) small amount
37
Rose Pink ローズピンク (474) 10g
Natural 生成り (442) small amount

Additional information
Ringuami seems to be a technique for making flowers with loops of yarn. There are tools you can use for this, such as Clover’s Hana-Ami Flower Loom. The center of the flower is then needle-felted to the tawashi.