Like many of us have said, pacifiers are great for hands free:
I love sucking my thumb, but today I went for the pacifier when driving and made a little video
It didn't last very long because my phone was covering up the speedo and I need that so I don't get speeding tickets
Was technically made for a reply to a post made on Lilttlemixys tumblr but figured it's be appropriate to post here
https://www.youtube.com/watch?v=vWzFW3PRSdo
^^^video here^^^^^