"P.B.K.14" The kayak frame is referred to as the "skin on frame-kayak" and had a waxed canvas cover. This exceptional and legendary piece was designed by Percy Blandford from England between the two world wars. It is a white water single seat canoe frame, with an oval cockpit and plywood side decks. No outside wood parts and fabric sides to the seat; making it suitable for advanced strokes, shooting rapids, slalom and surfing.