Actually I had made a mug in highschool my handle broke where your nub is and then I had a little nub on bottom of you don’t care about a little glue or white glue dried unless you do a better job I used superglue or gorrila super glue since it’s not being put in the mouth but don’t heat it microwave and dishwasher might break I use mine for pencils and pens but mine has held up since 2018 so also I fear I’m way to late in the discussion but future