Maxillary antral washout involves puncturing the sinus and flushing with saline to clear the mucus. The code rate of a convolutional code is commonly modified via symbol puncturing. They also have better mechanical stiffness for puncturing through brain tissue. There are two locations that pericardiocentesis can be performed without puncturing the lungs. Despite being "stabbed three times in the chest, puncturing both lungs," Chappell eventually recovered. The four long canines are used for puncturing and gripping. This reduces the chance of couplers puncturing adjacent tank cars. For the riders it is a challenge to keep going without puncturing or crashing. The insect feeds on chaste tree by sucking up the contents or puncturing them. Lydia is enraged by the puncturing of her romantic dreams, and spurns Jack contemptuously. This enables installation of skirting boards above floor level without fear of puncturing it. Bits are deleted according to a "puncturing matrix". They released the EP "Puncturing the Grotesque" on December 15, 2017.