One of a pair of 1st generation silicone horn subdermal implants to be worn under the skin on the forehead. Subdermal implants are body modifications that are like a 3D tattoo. The silicone implants are placed underneath the skin and create a raised design, they are either moulded, like these examples, or carved into the desired shape. The process, which was pioneered in 1994 by Steve Haworth a body modification artist, is sometimes known as 3-D implant, or pocketing. To install an implant, an incision is made down to the subcutaneous layer, which is below the epidermis (skin) and the dermis. A pocket is made using a dermal elevator into which the implant is placed. The incision is then stitched closed. Subdermal implants can be placed under the skin of the penis to provide stimulation for both sexual partners. There are health risks associated with subdermal implants, as there are with plastic surgery. These risks are associated with procedures that are carried out in non-sterile environments.