Wanting to put my dog on a cable and chain maybe put a axle in the ground on each side and a 20 foot cable does anyone have any pictures or if it's safe to do it ? Pros and cons?

which do you think is better for the dog? and why? getting idea for my new yard. thank you. :pup:

Saved me $100.00 a month, don't ask me how but it did :o Where can I watch full length movie's for free? Got a link?