Duke William of Normandy won the battle because was well prepared and had a good army. They prepared carefully for the battle. The Normans had knights on horseback who were skilful fighters.
A utility knife, metal ruler, and a hammer can be faster than trying to carefully saw an opening. Score the drywall a couple times till you are most of the way through, then just knock a hole with the hammer and break the drywall back at the score lines.
Watch video of this step. If the crack extends through the seamâs paper tape, or if the tape has pulled loose from the wall, use a razor knife to cut the tape about 6 to 12 inches from both ends of the damage (image 1 and 2). Remove the tape but be careful not to tear away the drywallâs paper covering.