US Patent 7461992 Applicator and a kit including such an applicator

An applicator may include a first wall that is elastically deformable, at least in part, and arranged to take up a first stable configuration and a second stable configuration. The applicator may further include a second wall co-operating with the first wall to define an inside space and a plurality of bodies disposed in the inside space. At least some of the bodies may be pressed by the first wall against the second wall, at least when the first wall is in the second stable configuration.