Summary:. We developed a surgical technique to correct cryptotia using a subcutaneous pedicled flap raised from the retroauricular region. A skin paddle over the caudal part of the auricular sulcus is designed and transferred to the skin defect of the upper posterior surface of the auricle. https://www.bekindtopets.com/save-big-Raspberry-Pi-Pico-Breadboard-Kit-great-pick/