https://www.snortimershub.com/product/threaded-eew-6-0-bobbins-spiderwebs/79
Threaded EEW 6.0 Bobbins - Spiderwebs | Snortimer's Hub, LLC
These are threaded collapsible bobbins for the Electric Eel Wheel 6.0. They come apart easily for compact storage and portability, and are a Snortimer's Hub...
threadedeewbobbinsspiderwebssnortimer