Rubuta ci gaba don wannan sakin layi - A cikin bobsleigh, Isser ya lashe lambobin yabo uku a Gasar Cin Kofin Duniya ta FIBT tare da azurfa ɗaya (Mutum biyu: 1955) da tagulla biyu (Mutum biyu: 1958, Mutum huɗu: 1962
) Ya ce: