Two hunters are out hunting, and they come to a huge hole in the ground.
The first hunter says, "Wow! That's some hole. I can't even see the bottom. I wonder how deep it is."
The second hunter says, "I don't know. Why don't we throw something down and listen to see how long it takes to reach the bottom."
The first one looks around and says, "Hey! Here's an old car transmission. Let's haul it over there and toss it in."
So they both grab it and carry it to the hole and "one-two-three" - they threw it in.
As they are standing there looking over the edge, there is a furious cracking and rustling of the underbrush. A goat comes crashing out of the brush and runs straight at the hole, and without hesitating, jumps in head first.
While they are standing there trying to figure out what that was all about, a farmer walks up to them. "You fellers didn't happen to see my goat around here anywheres, did you?", he said.
"Funny you should ask", one of the hunters said, "We were just standing here when a goat came running out of the bushes doin' about a hundred miles an hour and jumped headfirst into this hole!"
The farmer said, "That's impossible; I had him chained to a transmission!"