Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to hang shelves without nails [title] Get a shelf made of a light, hollow material. [step] Unfortunately, fasteners like nails are necessary to hang up extremely heavy shelves made of dense, solid materials like steel or oak. However, you can use adhesive fasteners to hang up light, hollow shelves made of things like balsa wood.

Ending1: [substeps] If you prefer, you can obtain store-brand fasteners online or at your local hardware store. They usually fit a lot better, and they are energy-efficient. Ending2: If you won't be able to find fasteners or staples, you could also make your own. Here are a few examples : [substeps] Use palm-sized shelves from a printing store. Ending3: [title] Buy a light shelf for ease of movement. [step] A light shelf adds movement and avoids bumping heads with boom boxes. Ending4: As a general rule, try to hang shelves that weigh 3 lb (1.4 kg) or less. [substeps] For safety, do not attempt to hang shelves with adhesive strips if they weigh over 10 lb (4.5 kg).

Answer format: ending1/ending2/ending3/ending4