Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to sharpen a drill bit by hand [title] Insert the drill bit into the jig. [step] When you are ready to sharpen a drill bit, slide it into your drill bit jig so that the end of the drill bit hangs over the edge slightly. Make sure that the drill bit fits snugly in the slot.

Ending1: As you slide the drill bit into the jig, make sure the short side is facing down and the next piece will be facing up. If your drill bit does not fit snugly into the slot, cover the jig with a piece of aluminum foil. Ending2: [substeps] Never use a drill bit that is rigid (such as the one found at your local hardware store) or capable of cutting or forcing wood. [title] Secure the drill bit to the block. Ending3: It should fit right into the central groove in your jig. [substeps] Then, place the tip of the drill bit near the grinding wheel. Ending4: [title] Turn the drill bit until the drill bit slides into the groove you just cut in the wood. [step] As you turn the drill bit, you want to make sure that the drill bit is pressing against the mark you made in the wood.

Answer format: ending1/ending2/ending3/ending4