sandboarding; sand surfing
Sandboarding photos date back to the 1940s, but in general this was an unknown activity until the mid-'60s, when it slipstreamed in behind the original surfing and skateboarding boom. A 1964 Petersen's Surfing magazine article described sand surfing as "four or five lads pouring down the side of what looks like a 150 foot wave, pulling off almost every surfing gimmick in the book."
Specialized boards were developed: narrow and thin (about three feet by six inches), made of wood, with a brush...