I think that using liquid paint to replace a cork (by the way you only need a bit of a cork or plastic into the pipe in order to prevent it going inside and altering the volume) is a great idea, I am not sure about any other use in this context.
since this is highly probabe
Or it got rid of the leaks from an ill-fitting cork.
on a side line
we really don't ( and we have discussed this and arrived to that conclusion) since that would simply result in a plethora of clicks without any content other than the " like", we have always encouraged people into the writing their articulated opinion ( if you like something you can also tell us why and how) rather than saying nothing and having a counter which would simply make one look one member better than the rest (this is not a popularity contest where one is voted popular but a forum where, by definition and own nature we discuss things which, to me, imply voicing an articulated opinion).
A " like" function will also transform itself in an inflammatory device when there is any controversy splitting the membership among likes and dislikes and we don't need any of that at the push of a button.
As you can see you can add you opinion as a symbol and as I am doing with my answer here you can add a thumb up or down or other stuff available by simply go advanced in your answer, qualify what you like and offer a thumb up (or down) or something else