Unknown German Object
User Etappe Gent has been for many years
Unsuccessful trying to discover the usage of below object ,found
Cleaning a house together with lots of other German objects
There is some kind of fuse to be seen and several holes , maybe for release of gas .
And at the back there is some kind of attachment .


Thinking of some kind of trench mortar?
Anyone that knows what the object may be ?
@+
Patrick