I can tickle my feet and I can tickle the ceiling of my mouth with my tongue. It's hard to explain but if you very slowly and gently drag the tongue through the

I can tickle my feet and I can tickle the ceiling of my mouth with my tongue. It's hard to explain but if you very slowly and gently drag the tongue through the ceiling of the mouth at least for me it triggers the tickling response the most consistent and reliable way. Article is complete bullshit.