Long word for a small part.  Holds the parking brake cable in place.  I forgot to take a before photo so I’ve included a photo of it on the back on the firewall, just in front of the pilot’s right rudder pedal.  It’s blue in the photo.

Now.  I had the clamp plated with tin/zinc.  Looks brand new.

Clamp before plating:

Before:

Back:

Front: