You need to go to your local spot,,,I got my spot,,,Take a long screw driver,,,the longest one you can find. The hardest part is finding the clam bed but once you find it,,,then it easy to get your California limit of Pismos clams... Take the screwdriver and stick it in the sand as many times as possible until you hit something hard. Usually it is a clam,,,then just dig it up...Once you get one clam,,,you have hit the bed. Just work the are until you get ten....The clam bed usually migrates throughout the beach, but once you hit the first clam look at the depth your at,,,then stay at that depth,,you should then get your limit pretty fast.....Last week i went out,,,it took me about 45 minutes to find the bed,,,then when i found it,, i got my limit in less then ten minutes...Remember the clam beds moves around,,,,but once you find it your there...Sometimes you if the clams are shallow,,meaning only a few inches under the sand,,,you can see there siphons sticking out of the water...The best tool ive found is the screw driver,,,just stick it in the ground and when you hit something hard,,,its a clam,,,,When you go Fish and Game requires you have some time of measuring device to measure the clams. Good Luck and I wish you the best..