Decoration was made by delicate carving or incising. Many Mississippian ceramics are decorated by incising or engraving. The air can be removed by incising or aspirating through the skin over the back. Several were decorated by carving, combing, incising, impressing and multiple combinations. The first was simply carving and incising lines into the clay mold layer. The interatrial groove approach involves incising the left atrium posterior to the interatrial groove. Effective formation of antihelix fold without incising the cartilage. If foreign objects are not the cause, incising and draining the abscess is standard treatment. They compared both decoration and vessel shape, pointing to techniques of incising. Stucco surfaces at Maya sites are extremely hard, and incising graffiti was technically difficult. The river may have been incising through sediment or bedrock. It is usually written on bamboo by incising characters with a knife. In modern first aid, incising, sucking, applying bandages and tourniqueting are strongly discouraged. Many times this post-fire stucco technique was mixed with painting and incising. Incising wounds of the face may involve the parotid duct.