Metal udder catheter

Metal udder catheter using when the udder is cramped.
First, wash the breasts with warm, clean water and then gently insert the metal catheter into the udder.
To drain milk from the breast, pull out the inner part of the catheter to remove the milk.
End of the rod of metal catheter is closed and the holes are at the sides of the rod to prevent clogging.
The metal catheter is made of steel and the head is made of brass.