Mohel have the training, they designate a "mohel". The mohel is specially trained in circumcision and the rituals surrounding the procedure. Many "mohalim" are doctors or rabbis (and some are both) or cantors and are required to receive appropriate training both from the religious and medical fields. Traditionally, the "mohel" uses a knife to circumcise the newborn. Today, doctors and some non-Orthodox "mohalim" use a perforating clamp before they cut the skin. The clamp makes it easier to be precise and shortens recovery time. Orthodox "mohalim" have rejected perforating clamps, arguing that by crushing and killing the skin it causes a
What is a Masterpiece? confluence of memories and emotions forming a single idea", that it has "a power of recreating traditional forms so that they become expressive of an artist's own epoch and yet keep a relationship to the past". The highest masterpieces are said to be "illustrations of great themes." Clark also implicitly excluded the erotic from considerations of what constituted a masterpiece, based on his perspective that a necessary condition is the balance between sense and form (works that are too sensual are, therefore, unbalanced and not to be categorised at masterpiece level). What is a Masterpiece? What is a Masterpiece? is