They both stop working when you take their chains off. Edit: Oh, I'm sorry. I thought this was America. By the way, got this from AskReddit.
Interactive Joke of the Day Mug
Coffee Mug
X-Post from AskReddit) http://www.reddit.com/r/AskReddit/comments/32df3n/whatisyourfavoriteonetotwolinejoke/ There were some funny jokes in there
x-post from askreddit) Worsheshershershosh.
Askreddit's subscribers are ok with offensive jokes.