Ski jumping sling
From Free net encyclopedia
The ski jumping sling system is training equipment for ski jumpers. It was invented by Spede Pasanen. There was one prototype in the years 1970-1980 in Puijo, Kuopio, Finland.
The ski jumping sling system is training equipment for ski jumpers. It was invented by Spede Pasanen. There was one prototype in the years 1970-1980 in Puijo, Kuopio, Finland.