Patent ID: 8747283

Claim:
A method of strengthening head and neck muscles of a user comprising the steps of: a) providing a personal exerciser for head and neck muscles strengthening, said personal exerciser having a mouth part intended to be placed in the mouth of the user and a skin protective shield part having larger dimensions than said mouth part intended to protect skin of the user from wrinkle formation during repetitive exercises, wherein each part comprises a composite structure comprising: i) An inner first layer formed of a deformable, pliable composition which is deformable when inserted orally to provide a comfortable fit of said personal exerciser in the contours inside and around the lips, mouth and chin of the user during exercising; ii) one or more outer layers covering said inner first layer and being formed of an elastomeric, waterproof, durable, resilient, material capable of elongation and return, suitable for contacting the user's mucus membranes and skin during exercising; b) placing the mouth part of the personal exerciser between the tongue and hard palate of the user, while having the skin protective shield part pressed firmly against the skin around the user lips, mouth and chin; and, c) sucking on said mouth portion of said personal exerciser while pressing the skin protective shield part against the skin around the mouth and chin of the user firmly, thereby fitting said personal exerciser in the oral cavity of the user and continuing said movements whereby neck and head muscles of the user are strengthened.