To squeeze your dogs glands and empty your dogs anal sack put on some rubber gloves to keep your hands clean and then take your thumb and place the thumb on the outside of your dog's anus and then bring your thumb and index finger together, running them around his anus.
The dogs anal glands can be located at the one and 4 or 5 o'clock position and the other around the 7 or 8 o'clock position. Feel for a firm pea to plum sized object.
Once the anal gland has been located, place a paper towel in front of the area (glands tend to squirt outward). Using a light amount of pressure, gently milk the gland’s contents* toward you. When you can barely feel the gland, it’s fully expressed.
Follow the same procedure for the second anal gland.
Once you’ve emptied both glands, use a warm soapy washcloth to wash the area.
Also you may need someone to help you restrain the dog because some dogs may fight this procedure.