Watch videos on YouTube:

http://www.youtube.com/watch?v=1FfdRNeYp8o - indoor trial

http://www.youtube.com/watch?v=uWPZbNKp-YQ - work of winch

http://www.youtube.com/watch?v=PJ2Y4MYnJDo - work of gearbox

http://www.youtube.com/watch?v=u7oVqTlvIKU&feature=related - outdoor trial, part 1

http://www.youtube.com/watch?v=tC9qohLp5Os - outdoor trial, part 2

http://www.youtube.com/watch?v=K_77KqFzlnw - outdoor trial, part 3 (mudding)

http://www.youtube.com/watch?v=sNP3s5wAH1A - reply to Zblj's video 'Truck Trial tip 7' 

Thanks for watching!