Mafac made a strap that wrapped around the handlebar instead of having to slide it on from the end. In the day, that strap was something carried by most race mechanics, because you could replace a broken strap without untaping and retaping the handlebars. Works for Campy as well as Mafac.
Earle Young, Madison, Wisconsin Offering expert wheelbuilding service for classic and modern bicycles +++++++++++++++++++++++ Harvey Sachs wrote: Depending on how much it matters to you to have it exactly original, the Mafac Racer strap assemblies can be substituted for the Campy. At least, that's what I recall doing at least once. I won't tell. Heck, I won't look.