cobbler's wax

cobbler's wax

n
(Crafts) a resin used for waxing thread
References in classic literature ?
I could tell you tales of cobbler's wax which would disgust you with human nature.
Dai's flies were made of ingredients found in the Tregaron countryside and he used cobbler's wax extensively to ensure his flies would not disintegrate.
In those days cobbler's wax was an important ingredient in the fly-maker's box.