Note: black rebreakable board require 200lb+ force to break open, red brick require 400lb+ force to break open.  so breaking 3 boards is equal to 600lb and more force to break apart as well, with the board all stacked and with the very tiny little gap to the floor, makes it harder to break as ewll. Enjoy the videos!


  www.youtube.com/watch?v=i5V851-WCLk
break brick with arm


www.youtube.com/watch?v=mC-w_sksnm0
break 2 boards (black) with arm


www.youtube.com/watch?v=piQPnSmffWA
break 3 boards (black) with arm