Topper for a container

A topper for a container having an upper surface, the topper including:

• a body adapted to engage the upper surface of the container, said body having a top part, wherein the body includes a skirt, the skirt being adapted to engage the upper surface of the container and to define an inner recess extending between the top part and the upper surface,
• the topper further including a movable perforation platform having at least one protruding perforating element, the perforation platform being connected to the top part, the perforation platform being movable with respect to the body between:
• a resting position, the perforating element fitting in the inner recess when in the resting position, and
• a working position wherein the perforating element perforates the upper surface of the container,
• wherein the perforation platform is held in the resting position by at least one breakable portion linking the perforation platform to the body, said breakable portion being intended to break when a stress is applied to the perforation platform, and
• wherein the perforation platform is connected to a joint part by a first hinge, and the joint part is connected to the top part by a second hinge.