Games BrainTeasers Bridges Connect 4 Mahjongg Othello Slide 15 Sudoku Word Search Flash Games Bubbles Site Navigation Home News Contact us Privacy Policy Join Random Fact In a lifetime, the average house cat spends approximately 10,950 hours purring. Members' Area Login System Stats Regisered Users: 22 Puzzles: 1148 Users Online: 8   Brain Teaser # 466 Category: Riddle   Problem: What is that which goes with a carriage, comes with a carriage, is of no use to a carriage, and yet the carriage cannot go without it?   Display Answer Copyriight © 2005 - 2010 BrainTeasers.org BrainTeasers.org is part of the InnovationsR.us Network