• Version 1
  • Press the back of your head against a wall, hold the bowling ball to your nose, let it go and try not to flinch when the ball returns to within an inch of your nose.

        (explain ball release technique)
        (use cart with side cutouts, position supports as far apart as possible)
        (position cart with aid of instructor, then push 4x4s under it)
        (angle table away from path of pendulum)

  • Version 2
  • Same as above, but with an 800 g ball for the less adventurous.

        (clamp just above feet of tripod base)
        (angle table away from path of pendulum)