Please choose the correct ending to complete the given sentence: Holidays and Traditions: [header] How to fill a dog's stocking for christmas [title] Buy a prefilled stocking. [step] Many pet supply stores sell these during the holidays, and they can be a great option. However, they should be opened for your pet as most of these stockings are made of clear plastic so the buyer can see inside.

Ending1: [substeps] You can find prefilled stocking for $45 plus cost online. [title] Buy disposable stocking liners made for cardboard tubes. Ending2: Make sure the stocking stuffers are appropriate for your dog's size. If you want to get a dog stocking for a pet owner, the prefilled variety is likely your best option. Ending3: This will reduce the risk of your pet getting into the stocking on christmas eve. [substeps] Check the store's website to find out if the stocking is pre-filled. Ending4: [title] Purchase a cashier's check. [step] American express chains or american express retail stores offer some prefilled stocking packages.

Answer format: ending1/ending2/ending3/ending4