A circuit includes a converter that samples a signal read from a storage medium to generate a sample. An embodiment comprises two ankle cuffs, each securely holding one of the child’s ankles and a torso strap connected thereto for securing the child’s ankles to the torso of the wearer. A tail end depends from the main body that has a plurality of substantially flat, spaced-apart, and staggered engaging members, or barbs. In related methods of use, the adhesive is caused to release, allowing the seal to expand toward the relaxed condition.