These lines are same construction as Skijoring Line for 1 Dog and 2 Dogs. The different is, that on some European races mushers must have lines without snaps on them.
It is possible to use them for scootering.
(ICF - bikejöring, scooter: lenght of the leash is max. 2,50 m when stretched) IFSS - bikejöring: the draw cord length in a stretched state must not be shorter than 2,5 meters and longer than 3 meters IFSS - scooter: be more than 2,5 meters in unbuffered condition IFSS - skijöring: the towed cord length in the extended position shall not be less than 2,5 meters and not more than 3,5 meters SSPS - bikejöring: the length of the towed cord in the untensioned state shall not exceed more SSPS - skijöring: the length of the towed cord in the untensioned state shall not exceed 2,5 m, SSPS - skijöring: the length of the towed cord shall be at least 2,5 meters and a maximum of 3,5 meters)