How to Make a Chopstick Rubber Band Gun semi-automatic

割り箸ゴム鉄砲の作り方
Please refer to Build video below:

Thanks for watching :-)

Make sure the rubber band size is right for the chopstick you use, which may vary in length. Please don't over stretch the rubber band, the rubber band may snap and hurt yourself.

On rare occasions ( for example , the work quality and the loading condition . . . etc. ) The rubber band will released backward and you might be hit your face or eyes by it. 
** Please wear eye protection.**
Use this tutorial at your own risk . I am not responsible for such accidents . Play safe and never aim it at anyone.