{HEAD ~ Device} for setting off {TAIL ~ an avalanche}, comprising a support intended to be fixed to the mounting side, for example on a concrete slab, and an enclosure one end of which is open, this enclosure being mounted on the support, said open end of the enclosure being intended to face towards the snow cap 
{ HEAD ~ Device } for setting off { TAIL ~ an avalanche } , comprising a support intended to be fixed to the mounting side , for example on a concrete slab , and an enclosure one end of which is open , this enclosure being mounted on the support , said open end of the enclosure being intended to face towards the snow cap
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