[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. 
[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.