I was in my 2nd standard and I use to play in the kitchen and my mom had bought a new vessel. My mom warned me not to play with vessel, but what I did was to invert the vessel like a cap. I put the vessel in my head. It had a narrow opeaning and some how, it went into my head like a helmet and did not came out, as it got stuck inside. Then with a lot of difficulty, they had to cut the vessel and bigger the opeaning and at last it came out