Alternatively, there may be still specialist suppliers of this rig concentrated in certain districts - less likely these days, perhaps, than when it was my dad's working dress as an orchestral violinist in the 1950s, but worth exploring perhaps.
*I'm thinking as in "Petersham ribbon" the generic name for what you find wrapped around titfers assorted:
. . . . aaaand beaten to it by a nanosecond by @Sandbanks