The Medway Handyman wrote:

Never seen them before, but if the patch is flush with the existing PB you
have the clips protruding on the face of both - how can you caver them up?

"The clip is made of 0.38mm (0.015") thick metal (about the thickness of a
corner bead), so it is easy to cover with joint compound. "

I don't think so.....

I presume if patching a already skimmed wall, one would cut away a small
section of skim in the clip positions.

Bit corny, but:

http://www.youtube.com/watch?v=_UyyIhirm9M

--
Cheers,

John.

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