On Sun, 18 Oct 2020 08:53:38 +0100, "Brian Gaff \(Sofa\)"
wrote:

Yes you don't want it to be even more damaged. Some of those large rubber
square stick on feet can be good. You get more than one in a packet so when
the cleaner knocks it off, just clean the surface and stick another on
On repair, personally, I've found that its almost impossible without making
damage worse so it can be filled.
Brian

The damage is a semi-circle of about three inches, where the hook has
been allowed to drop.

I wondered about a bead of two part epoxy resin adhesive?