#9 A Little Tickle
Image Source: Mike Burns
This is another trick that sounds a little weird, but unlike the earlobe trick, you can be sure nobody is going to see you doing this. Gently tickle the roof of your mouth with the tip of your tongue. This can actually give you a bit of a jolt and help you stay with it a bit longer. If it feels a little annoying, you’re doing it right.
