na-adjective
neatly made; well-finished; tidy
Describes something made or done with careful, neat handiwork. Rare term.
彼女の手綺麗な刺繍に感心した。
I was impressed by her neatly done embroidery.
綺麗 means 'clean' or 'beautiful' in general, while 手綺麗 specifically refers to neatness or tidiness in handiwork or craftsmanship.
Compound of 手 (hand) and 綺麗 (neat, clean), literally 'hand-neat'. The exact historical derivation is uncertain.