How to stop the smell from a top style damper with a wire down the chimney?

Damper Cable in Smoke Shelf and Flue Liner

Damper Cable in Smoke Shelf and Flue Liner

Damper Cable in Smoke Shelf and Flue Liner

Damper Cable in Smoke Shelf and Flue Liner

Damper Cable in Smoke Shelf and Flue Liner

Damper Cable in Smoke Shelf and Flue Liner