Check out this cinematography tutorial video that provides a basic introduction on how to build a vibrating 35mm depth of field adapter. You will need only 8 parts for the basic version of the vibrating DoF adapter:
2x asian Canon EOS extension t ubes kit
2x 55mm UV-Filter (multicoated!)
1x VH-57 vibrating gg-holder
1x vibrating pancake motor
1x Canon Ee-A focusing screen
1x piece of phonecable
Follow the simple instructions outlined in this instructional video and build your own vibrating 35mm adapter.