Body piercing is frequently done in the form of a ladder. Modern body piercing practices also include dermal anchoring or dermal piercing, which combines piercing and implantation to create a single point of opening in the body (whereas pocketing creates two) to permit one end of the jewellery to show above the surface of the skin. While this technique can be performed almost anywhere on the body, as of 2007 it was popularly done between the eyes, on the chest, or on the finger, to simulate a ring. The practice of body piercing is subject to trends and fashions. Belly button and
Congenital dermal sinus pervasive use and availability of advanced methods of neuroimaging, it is possible that the rate of incidence of congenital dermal sinus has been supplemented by the incidence of coccygeal pits. Coccygeal pits are distinct from congenital dermal sinus as they are found within the gluteal cleft, rather than above the gluteal cleft. The caudally orientated coccygeal pits are not associated with intradural pathology and do not need to be excised, unlike the cephalically oriented tracts of the congenital dermal sinus which confer great intradural pathology and require surgical intervention. While coccygeal pits occur in 4% of neonate population, congenital dermal