自作の「Bug Key」My home brewed bug key.

https://youtu.be/UkJUXNhxbVA

This is a home brewed bug key (semi-automatic key). This is my fifth trial to make this kind of key and I think this one could be OK

for practical operation. これは５台目のバグキーの試作ですが何とか実用に近づいたようです。