Please choose the correct ending to complete the given sentence: Health: [header] How to clean a bowl or chillum [title] Remove any debris or resin from the bowl. [step] Use a toothpick or similar implement, such as a paperclip. Tap the debris out after each pass.

Ending1: [title] Run a pipe-cleaner through the length of the tube several times. [step] A pipe cleaner (a q-tips also works well) has small bristles attached to a bendable rod, making it easier to get through the nooks and crannies of various pipes. Ending2: Check the sides of the bowl for any critical plates or pipes. [title] Clean the bowl or chillum while it's still warm. Ending3: This process can be very messy and will remove most of the remaining debris. It may also help your bowl-chillum sit higher in the sandbox so you can fill it with sand. Ending4: If they have been stuck in an indentation or other helpful place, remove them from the bowl. [substeps] You can also scrape the items off with a fingernail.

Answer format: ending1/ending2/ending3/ending4