This is a bobbin type shuttlecock that pulls out the thread.
The tatting lace is a great way to work with.
The bobbin spins when you pull the line, so there is no need to turn the shuttle, and the line is smooth to pull out.
The bobbin is removable, making it easy to replace the thread and wind the bobbin in
You can also use a sewing machine.
In addition, it comes with a convenient stopper.
Useful for working with multiple shuttles and keeping items in place during braiding.

This bobbin cannot be installed on traditional tatting shuttles or shuttle L.

Product Number: 57-737
Specifications: Tatting Lace Tool
Color/pattern: White

(From Amazon.co.jp)