My glass doesn't fit snug on the top? Mason February 02, 2017 00:46 Follow Add a extra o-ring to the ceramic top to fill the small gap between the ceramic and the glass. Related articles My heating element burnt out! What do I do? How do I change the heating rod? How do I properly remove my glass attachment? My Bolt does not get hot enough to fully vaporize all my oils? Bolt M Manual Comments 0 comments Please sign in to leave a comment.