A small extra effort or small touch that improves the result; one minor additional step.
料理に一手間加えて、最後にレモンをひと搾りすると味が締まる。
Add a little extra step to the dish—squeeze a lemon at the end—to tighten the flavor.
商品の写真に一手間かけて背景を整えるだけで、売れ方が違う。
Just putting a little extra effort into arranging the product photos' background changes how well it sells.
メールを書くときに一手間、相手の名前を入れるだけで印象がよくなる。
When writing an email, taking the small extra step of including the recipient's name leaves a better impression.