Next, cut the lead came to fit. As beginners, lead nippers were our tool of choice (professionals use a lead knife). The flat side of the nippers makes a straight cut; the concave side a mitered one. Place a length of came where you need a new section. With the nippers, nick the spot [H] where you want to make a cut—it should be slightly beyond the end of the glass to leave room for soldering—then tap the lead into place with glazing nails [I].