The Citron Foug was made at the same factory as the Asperges.
The fuze body was made of wood, holding a striker, creep spring, primer and safetyfuze with a crimped-on detonator. The fuze was covered by a safety cap that is known in several shapes.
Before throwing, the cap was removed and the striker was to be hit on a hard surface.

Length: 149mm , diameter: 70mm.
Weigth 550gram including 90gram Cheditte.

Photos below are property of Lewis. This Trench Club was recovered from the battlefields in Northern France.

The photo below shows two C.F's in a carrying vest. These were still in use during the Vietnam war.