<prompt> Bullet wipe term is used for:Gutter fracture of skullBlackeningTattooingDi from barrel  <response>: Grease Collar Bullet Wipe : A blackgrey colored ring is seen lining the entrance wound. Due to the deposition of lubricants, gun oil or lead from the bullet. Abrasion collar surrounds the di collar. Di collar rim is more prominent in clothing - bullet wipe. Abrasion and di collars are proof of an entry wound. 