expression, noun
shoe tree; shoe stretcher; shoemaker's last
Refers to a wooden form inserted into shoes to maintain shape, stretch them, or used in shoemaking. The specific meaning depends on context.
See also: 木型
革靴を長持ちさせるために、靴の木型を使っています。
I use a shoe tree to make my leather shoes last longer.
靴の木型で少しきつい靴を伸ばしてもらった。
I had my slightly tight shoes stretched with a shoe stretcher.