Abstract: A jewellery retention device for fastening a jewellery item which comprises a retention post, said retention device comprising a body and having an opening configured to receive a post, said retention device comprising a friction member having a first end associated with the body and a second end which is configured to be contacted by the post upon insertion of the post, said body additionally providing an abutment to support the post and provide a reaction to the force imposed on the post by said second end of the friction member, said opening comprising at least in part a receiving region through which the post may move substantially freely and into which the post may be laterally displaced and received from between the first friction member and abutment in a direction substantially perpendicular to the length of the post.

Abstract: A jewellery retention device for fastening a jewellery item which comprises a retention post, said retention device comprising a body and having an opening configured to receive a post, said retention device comprising a friction member having a first end associated with the body and a second end which is configured to be contacted by the post upon insertion of the post, said body additionally providing an abutment to support the post and provide a reaction to the force imposed on the post by said second end of the friction member, said opening comprising at least in part a receiving region through which the post may move substantially freely and into which the post may be laterally displaced and received from between the first friction member and abutment in a direction substantially perpendicular to the length of the post.