The interior features red leather upholstery and carbon fibre inserts. Leather interior including shift knob, door panel inserts, and steering wheel were optional. As the term suggests, knot insertion inserts a knot into the knot vector. The revolver has forward ramp sights with four different interchangeable sight inserts. It's Black leather with Grabber Orange inserts. Ballistic vests, sometimes including rigid plate inserts, are standard issue. To use, one simply inserts a shotgun shell into the smaller diameter pipe. The black interior featured Recaro seats with patterned black and white inserts. The interior is colored blue on the seat inserts and carpeting. Convex then inserts a brainwashing video tape into Max's torso. They are used in magazines, catalogs, and inserts. Vaginal estradiol is available in the forms of tablets, creams, inserts or suppositories, and rings. Porsche also aided in designing some of the interior, such as the Alcantara seat inserts. This is especially useful in identifying sequences to either side of various genomic inserts. The effectiveness of shoe inserts has been contested.