Booms - poles - that extend horizontally from a boat's center and hang over its side help people learn barefooting and its tricks.
Although he has been water skiing since he was 8, Kevin Keith, who set a water ski record with 2,650 points in the Men's 4 Trick Event at the 2006 National Barefoot Tournament, said he didn't start seriously barefooting until he was in his late 30s.
Keith said, pointing at his foot which is accommodated in an 8-1/2-size shoe when he isn't barefooting.
John Bartkus, 57, of Leicester, president of the Bay State Barefooters, started barefooting about 30 years ago.
Although he suffered a torn cartilage in his right shoulder, it's a recurring callus on the same spot on his foot that has been the most cumbersome of his barefooting injuries.
Barefooting is being promoted in Cannes by Palm Tree UK based at Pinewood Studios.
Barefooting is a romantic comedy filmed on location across North Wales, Cheshire and Liverpool.
Barefooting premiered in Liverpool's Woolton Cinema last year but is yet to receive a distribution deal.
Barefooting premiered at Woolton Cinema last year, but is yet to receive a distribution deal.
Writer and director Phil Stagg, from Appleton, Warrington, said: "We're delighted to be taking Barefooting to an international audience.
Act of Grace tells the story of a friendship between a Liverpudlian boy and Chinese immigrant family Picture: Courtesy of KELLY OWENS; Barefooting filmed across the region; Outlaws, based on the novel by Kevin Sampson