This is the 8477th most frequent Japanese word.
手づくり
"Handmade."
The word '手づくり' is used as an attributive noun referring to items made or crafted by oneself.
このケーキは私が手づくりしたものです。
This cake is one that I made by hand.
Here '手づくり' is acting as an adjective modifying 'マフラー' to denote the scarf as handmade.
彼女は手づくりのマフラーを友達にプレゼントしました。
She gave her friend a handmade scarf as a gift.
In this sentence, '手づくり' is used as a general noun to represent handmade items or craftsmanship.