also: けバタキ
noun
feather duster
A cleaning tool with soft feathers or synthetic fibers used to remove dust from surfaces.
棚のほこりを毛ばたきで払った。
I dusted the shelf with a feather duster.
Compound of 毛 (ke, 'hair, feather') and はたき (hataki, 'duster'). The reading けばたき is a straightforward combination.