This was at the show a few years back. You went through 2 claustrophobic tunnels .. One from the sides and one from the ceiling that pushed you into...
In the same boat but covers 3 of my companies. I don't know if I want to do it but I am in a strange place since my daughter is a young up and coming...
That thing is made with a air vibrator. I built one with a VIBCO 10-5/8 piston air vibrator. I think it cost about $100. Then use a air solenoid and...