Miniature Thompson submachine gun with violin case. By Comrade Mauser. 4:43 video:
https://www.youtube.com/watch?v=TejpKBZvmf4
Previously:
https://www.homemadetools.net/forum/...755#post163542
https://www.homemadetools.net/forum/...873#post160025
https://www.homemadetools.net/forum/...528#post122933