かぶと kabuto, a helmet worn by samurai warriors
Wikipedia article

“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):
Wine Red ワインレッド (404) 15g
Orange みかん色 (434) 5g
Lemon レモン色 (416) small amount