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.
Instructions. Cut a groove in the crack using a utility knife. Make the crack even on each side. Vacuum in between the cracks to remove any debris. Hammer a nail into the wall on each side of the crack into the wood behind. This holds the drywall in place.Spread joint compound over the crack using a putty knife.lace paper drywall tape over the wet putty and push down. Wait 24 hours for the putty to dry on the tape. Apply a second coat of drywall compound over the tape, feathering out. Allow the compound to dry. Apply a third coat of putty and allow to dry. Sand the wall smooth using a large, 80-grit sanding block.