Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to use a paper clip in many ways [title] Hold things together. [step] After all, it's the paper clip's designated purpose. Clip papers together by securing one metal loop on each side of the stack.

Ending1: [substeps] If you're feeling adventurous, reshape your paper clip into a heart-shaped holder. It'll lend a little love and excitement to your bundles. Ending2: When you're holding one piece of paper together, tie a curl around the plastic end of each piece. [title] Roll a paper clip in sticky sticky tape. Ending3: Then wrap the first piece of paper around the knot of the other three loops, securing them with a rough piece of wood. Also snap the other piece of paper in half horizontally. Ending4: Touch each few close to the paper clip, with fingers extended at least 3 times. Also be careful, not to poke the paper with the attached paper clip.

Answer format: ending1/ending2/ending3/ending4