Huv ye heard this wan?

a gamekeeper was walkin' through a Highland estate when he sees a man leanin' down with his hand in a burn,an' he shouts "Hey U!dinnae dae that , it's fu a coo's keech!an the guy say's " I'm sorry I didn't quite catch that, I'm English!" n' the gamekeeper says " that's alright sir, I was only saying ,if you used both hands you would get more!