[1] Harsey is a custom knife maker, designing and crafting one-of-a-kind folding and fixed blade knives, often to order.

Harsey designed the Neil Roberts Warrior Knife, which is dedicated to the memory of Petty Officer First Class Neil Roberts, who was killed in action Afghanistan in 2002[5] and the Pacific / First Group Knife, commemorating the 50th anniversary of the U.S. Army Special Forces in Asia.

[7] The Yarborough Knife is presented at the beginning in August 2002 to each graduate of the United States Army Special Forces Qualification Course, with each of these knives possessing its own serial number, and logged in an official record book maintained by the United States Army Special Operations Command.

[8] To quote the USASOC News Service, "As each Green Beret crosses the stage upon graduation of the SFQC, he receives a legacy of the Brotherhood of Special Forces, signing in the pages of an illustrious history, shared by a select few.

Only a few short years after its conception, the honor of the Yarborough Knife has now become almost as large of a part of the heritage and tradition of Special Forces as the Green Beret, and has been shared with a small number of dignitaries such as President George W.