Two farmers are out in the field working and one turns to the other and asks him if he knows the time.The second farmer turns and cups the nearest bull's testicles and lifts them up "It's 5 past 12 lets have some lunch".
A few hours later the farmer says "what time is it now?" and again the 2nd farmer lifts the bulls testicles and says "It's 3.15,lets have a drink"
Again a few hours later the farmer asks the time once more,and once again the 2nd farmer lifts the bulls testicles and says "it's 5.20,lets call it a day"
The first farmer says "that's amazing,how do you do it?"
To which the 2nd farmer says