There are a few different types of oyster openers that are good for beginners. A basic oyster knife is a good option, as is an oyster fork. Another option is to use a specially designed oyster opener like the OXO Good Grips Oyster Knife or the Twister Shellfish Shucker. These openers have a sharp blade and a comfortable handle, making them easy to use. If you are not sure how to use an oyster opener, it is best to consult an expert or watch a video on how to shuck an oyster before attempting it yourself.