Just Hoovered behind the front door and...

[malovitt]

great big tufts of wool rug coming out in the corner.... it's obviously moth infested.
Any advice on a good product to kill them?

[whomovedmychocolate]

Oh dear, sounds like the larvae of moths or carpet beetles. Either way the eradication is quite easy.

www.getridofthings.com/get-rid-of-carpet-beetles.htm