DIY Cardboard Key Master Machine

Using some cardboard, a string and a bit of hydraulics, I was able to put together this Key Master machine! What are your thoughts on this? Let me know in the comments below!

Music:
Longing -Joakim Karud
https://theartistunion.com/tracks/866868?download=true
Confused (Afternoons LP)-Loxbeats
https://soundcloud.com/loxbeats/confused

Видео DIY Cardboard Key Master Machine канала Sean’s Crafts