buttonattachment

noun
UK /ˈbʌtən əˈtætʃmənt/
US /ˈbʌtən əˈtætʃmənt/

A button attachment is a small tool that helps you sew a button onto clothes.

She used a button attachment to fix the loose button on her coat.


OTHER MEANINGS

2. A part that connects a button to a machine or device.

The button attachment on the remote control was broken.

3. A clip or accessory that holds a button in place.

He bought a button attachment for his camera case.

4. A feature that links a button to an action in software.

The app's button attachment lets you open the menu with one tap.