which grinder accessory can be used to provide a stable surface for flexible sanding discs or buffing pads…

which grinder accessory can be used to provide a stable surface for flexible sanding discs or buffing pads to rest against?\nbacking pad\narbor shield\nflap disc\ntool rest
Answer
Brief Explanations:
A backing pad is designed to hold and support flexible sanding discs or buffing pads, providing a stable surface for them to rest against during grinding - related operations. An arbor shield is for protecting the arbor, a flap disc is a type of abrasive disc, and a tool rest is for supporting tools in general lathe - like operations.
Answer:
A. backing pad