Wiktionary
massagers
n. (plural of massager English)
Usage examples of "massagers".
There were zero-gee massagers, ozone chambers, effluvial rinses, and many other options for humans.
The massagers began pummeling at her backside, springing out from the chair like angry robotic fists.
Presumably to make it comfortable for the massagers to touch the women without having to crouch down.