A device for inhibiting at least partially the sense of smell including a solid body is provided for having a main extension along a main plane in which it has a main shape including: an upper portion extending mainly in the longitudinal direction and including a first upper edge substantially flat and aligned with the longitudinal direction, a lower portion protruding at least partially in said vertical direction and downwards, a rear portion extending diagonally in relation to the longitudinal and vertical directions and including a second upper edge in direct contact with the first upper edge and extending in a direction inclined at an angle of between 20° and 70° with respect to the longitudinal directio； the first upper edge extends, in addition, in the transverse direction, more than the remaining part of the solid body.
