It has a twist lock mechanism on each side that allows you to go from 2 separate clubs option to staff option to nunchaku option.

I have test printed and adjusted the print tolerances, so it should be a bit tighter fit at the end with is ok because we need it to hold tight. I'm also quite surprised at how well it all works :)

Now for those of us who have smaller printers like the prusa i3mk3s the main parts are split into 2 with a twist lock mechanism.

The opening for the wire is 5mm, so you can use anything up to 5 mm.

There is also a wire attached aid thing in case you wish to use more narrow wire , just attach it to the aid and insert.

Rubber Bands used are the regular rubber bands found in any store :)

The cap on the other side is an extra in case you need to replace your main one :)

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