Dog training tip

Want your dog to sneeze on command?
Simply have some pepper in your hand for your doggy to sniff (not too much - we dont want to hurt the poor fella).
When he smells it he will most likely sneeze, when he does then say "sneeze" and praise the dog.
After a few sessions you can try without the pepper to see if the dog has learnt the command. If not continue going with the pepper for a few more weeks.