The elastics, including the hooks can be purchased from Czech Republic, via Mrs Anna Budínová "anna.cingrosova@seznam.cz".

Her dad makes them but he does not speak/write in English.

I think to see the elastics on the picture are from the same source (at least for manufacture thereof).

Cheers,

Rob

email (option): wd16h@telfort.nl

Thanks for the info Rob