The mentalis muscle is often a paired muscle Positioned in the decreased conclude with the chin, which acts as the key muscle in the reduced lip. This muscle originates… When the desired contour and position is achieved, extra pores and skin is pulled taut and punctiliously reattached beneath the breast https://grok.com/share/c2hhcmQtMw%3D%3D_5ad6450c-533d-442c-a09c-9f7bce1babfb