Albert is mesmerized by Old Peg, and the next morning helps hitch up the harness for his horse and buggy.

CNN: Excerpt: 'The Prince of Tennessee: The Rise of Al Gore'

The invention of a superior harness enabled a horse to pull loads of far greater weight for longer periods of time, making the horse the primary farm animal.

FORBES: Fact and Comment

The harness may date back nearly as far as the domestication of the horse, which occurred approximately 6, 000 years ago.

FORBES

Oklahoma Senator Mark Allen is trying to harness that business for his home state, which ranks fourth in the nation in horse ownership per capita.

FORBES: Five Reasons Why Tesco's Horse Meat Scandal Could Happen Here