Homemade trail groomer / drag, made from 7 bed frames 2.5 road signs, and about $20 worth of nuts and bolts. Almost everything on this groomer / drag was acquired by freecycleing.
Updates from part one: Video quality, compactor pan size, electric actuator, strobe light.
Special thanks to http://www.danosongs.com for the Royalty free background music.
Link to find this type of actuator http://www.princessauto.com/pal/product/8272536/Actuators/12V-DC-8-in.-Stroke-Linear-Actuator